feat(transport): remove deprecated EXPERIMENTAL OpenCensus trace cont…

…ext propagation (#2901)

* See https://github.com/googleapis/google-cloud-go/blob/main/debug.md\#telemetry

refs: googleapis/google-cloud-go#10287
refs: googleapis/google-cloud-go#11230

go.mod

@@ -12,7 +12,6 @@ require (
 	github.com/google/uuid v1.6.0
 	github.com/googleapis/enterprise-certificate-proxy v0.3.4
 	github.com/googleapis/gax-go/v2 v2.14.0
-	go.opencensus.io v0.24.0
 	go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.54.0
 	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.54.0
 	golang.org/x/net v0.31.0
@@ -31,6 +30,7 @@ require (
 	github.com/go-logr/logr v1.4.2 // indirect
 	github.com/go-logr/stdr v1.2.2 // indirect
 	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
+	go.opencensus.io v0.24.0 // indirect
 	go.opentelemetry.io/otel v1.29.0 // indirect
 	go.opentelemetry.io/otel/metric v1.29.0 // indirect
 	go.opentelemetry.io/otel/trace v1.29.0 // indirect

go.work.sum

@@ -16,6 +16,7 @@ cloud.google.com/go/accesscontextmanager v1.9.1/go.mod h1:wUVSoz8HmG7m9miQTh6smb
 cloud.google.com/go/accesscontextmanager v1.9.2/go.mod h1:T0Sw/PQPyzctnkw1pdmGAKb7XBA84BqQzH0fSU7wzJU=
 cloud.google.com/go/aiplatform v1.60.0/go.mod h1:eTlGuHOahHprZw3Hio5VKmtThIOak5/qy6pzdsqcQnM=
 cloud.google.com/go/aiplatform v1.68.0/go.mod h1:105MFA3svHjC3Oazl7yjXAmIR89LKhRAeNdnDKJczME=
+cloud.google.com/go/aiplatform v1.69.0/go.mod h1:nUsIqzS3khlnWvpjfJbP+2+h+VrFyYsTm7RNCAViiY8=
 cloud.google.com/go/analytics v0.23.0/go.mod h1:YPd7Bvik3WS95KBok2gPXDqQPHy08TsCQG6CdUCb+u0=
 cloud.google.com/go/analytics v0.23.6/go.mod h1:cFz5GwWHrWQi8OHKP9ep3Z4pvHgGcG9lPnFQ+8kXsNo=
 cloud.google.com/go/analytics v0.25.0/go.mod h1:LZMfjJnKU1GDkvJV16dKnXm7KJJaMZfvUXx58ujgVLg=
@@ -51,6 +52,7 @@ cloud.google.com/go/artifactregistry v1.14.13/go.mod h1:zQ/T4xoAFPtcxshl+Q4TJBgs
 cloud.google.com/go/artifactregistry v1.15.0/go.mod h1:4xrfigx32/3N7Pp7YSPOZZGs4VPhyYeRyJ67ZfVdOX4=
 cloud.google.com/go/artifactregistry v1.15.1/go.mod h1:ExJb4VN+IMTQWO5iY+mjcY19Rz9jUxCVGZ1YuyAgPBw=
 cloud.google.com/go/artifactregistry v1.15.2/go.mod h1:LunXo4u2rFtvJjrGjO0JS+Gs9Eco2xbZU6JVJ4+T8Sk=
+cloud.google.com/go/artifactregistry v1.16.0/go.mod h1:LunXo4u2rFtvJjrGjO0JS+Gs9Eco2xbZU6JVJ4+T8Sk=
 cloud.google.com/go/asset v1.17.2/go.mod h1:SVbzde67ehddSoKf5uebOD1sYw8Ab/jD/9EIeWg99q4=
 cloud.google.com/go/asset v1.19.5/go.mod h1:sqyLOYaLLfc4ACcn3YxqHno+J7lRt9NJTdO50zCUcY0=
 cloud.google.com/go/asset v1.20.0/go.mod h1:CT3ME6xNZKsPSvi0lMBPgW3azvRhiurJTFSnNl6ahw8=
@@ -114,6 +116,7 @@ cloud.google.com/go/cloudbuild v1.16.5/go.mod h1:HXLpZ8QeYZgmDIWpbl9Gs22p6o6uScg
 cloud.google.com/go/cloudbuild v1.17.0/go.mod h1:/RbwgDlbQEwIKoWLIYnW72W3cWs+e83z7nU45xRKnj8=
 cloud.google.com/go/cloudbuild v1.18.0/go.mod h1:KCHWGIoS/5fj+By9YmgIQnUiDq8P6YURWOjX3hoc6As=
 cloud.google.com/go/cloudbuild v1.18.1/go.mod h1:ZGRqbNMrVGhknIIjwASa6MqoRTOpXIVMSI+Ew5DMPuY=
+cloud.google.com/go/cloudbuild v1.19.0/go.mod h1:ZGRqbNMrVGhknIIjwASa6MqoRTOpXIVMSI+Ew5DMPuY=
 cloud.google.com/go/clouddms v1.7.4/go.mod h1:RdrVqoFG9RWI5AvZ81SxJ/xvxPdtcRhFotwdE79DieY=
 cloud.google.com/go/clouddms v1.7.10/go.mod h1:PzHELq0QDyA7VaD9z6mzh2mxeBz4kM6oDe8YxMxd4RA=
 cloud.google.com/go/clouddms v1.8.0/go.mod h1:JUgTgqd1M9iPa7p3jodjLTuecdkGTcikrg7nz++XB5E=
@@ -144,6 +147,7 @@ cloud.google.com/go/compute v1.28.2 h1:M9Rf+Ii9xQZk+rTBEgaz3J5ZyKs6kSNAgdZQpyBpx
 cloud.google.com/go/compute v1.28.2/go.mod h1:HFlsDurE5DpQZClAGf/cYh+gxssMhBxBovZDYkEn/Og=
 cloud.google.com/go/compute v1.28.3 h1:+b9s7mbJYe7yQ0qA9o6GS7Tb1Ubygnv6jCLxM0JnbQA=
 cloud.google.com/go/compute v1.29.0 h1:Lph6d8oPi38NHkOr6S55Nus/Pbbcp37m/J0ohgKAefs=
+cloud.google.com/go/compute v1.29.0/go.mod h1:HFlsDurE5DpQZClAGf/cYh+gxssMhBxBovZDYkEn/Og=
 cloud.google.com/go/compute/metadata v0.2.3/go.mod h1:VAV5nSsACxMJvgaAuX6Pk2AawlZn8kiOGuCv6gTkwuA=
 cloud.google.com/go/contactcenterinsights v1.13.0/go.mod h1:ieq5d5EtHsu8vhe2y3amtZ+BE+AQwX5qAy7cpo0POsI=
 cloud.google.com/go/contactcenterinsights v1.13.6/go.mod h1:mL+DbN3pMQGaAbDC4wZhryLciwSwHf5Tfk4Itr72Zyk=
@@ -155,6 +159,7 @@ cloud.google.com/go/container v1.38.0/go.mod h1:U0uPBvkVWOJGY/0qTVuPS7NeafFEUsHS
 cloud.google.com/go/container v1.39.0/go.mod h1:gNgnvs1cRHXjYxrotVm+0nxDfZkqzBbXCffh5WtqieI=
 cloud.google.com/go/container v1.40.0/go.mod h1:wNI1mOUivm+ZkpHMbouutgbD4sQxyphMwK31X5cThY4=
 cloud.google.com/go/container v1.41.0/go.mod h1:YL6lDgCUi3frIWNIFU9qrmF7/6K1EYrtspmFTyyqJ+k=
+cloud.google.com/go/container v1.42.0/go.mod h1:YL6lDgCUi3frIWNIFU9qrmF7/6K1EYrtspmFTyyqJ+k=
 cloud.google.com/go/containeranalysis v0.11.4/go.mod h1:cVZT7rXYBS9NG1rhQbWL9pWbXCKHWJPYraE8/FTSYPE=
 cloud.google.com/go/containeranalysis v0.12.1/go.mod h1:+/lcJIQSFt45TC0N9Nq7/dPbl0isk6hnC4EvBBqyXsM=
 cloud.google.com/go/containeranalysis v0.13.0/go.mod h1:OpufGxsNzMOZb6w5yqwUgHr5GHivsAD18KEI06yGkQs=
@@ -165,6 +170,7 @@ cloud.google.com/go/datacatalog v1.20.5/go.mod h1:DB0QWF9nelpsbB0eR/tA0xbHZZMvpo
 cloud.google.com/go/datacatalog v1.22.0/go.mod h1:4Wff6GphTY6guF5WphrD76jOdfBiflDiRGFAxq7t//I=
 cloud.google.com/go/datacatalog v1.22.1/go.mod h1:MscnJl9B2lpYlFoxRjicw19kFTwEke8ReKL5Y/6TWg8=
 cloud.google.com/go/datacatalog v1.22.2/go.mod h1:9Wamq8TDfL2680Sav7q3zEhBJSPBrDxJU8WtPJ25dBM=
+cloud.google.com/go/datacatalog v1.23.0/go.mod h1:9Wamq8TDfL2680Sav7q3zEhBJSPBrDxJU8WtPJ25dBM=
 cloud.google.com/go/dataflow v0.9.5/go.mod h1:udl6oi8pfUHnL0z6UN9Lf9chGqzDMVqcYTcZ1aPnCZQ=
 cloud.google.com/go/dataflow v0.9.11/go.mod h1:CCLufd7I4pPfyp54qMgil/volrL2ZKYjXeYLfQmBGJs=
 cloud.google.com/go/dataflow v0.10.0/go.mod h1:zAv3YUNe/2pXWKDSPvbf31mCIUuJa+IHtKmhfzaeGww=
@@ -214,11 +220,13 @@ cloud.google.com/go/deploy v1.20.0/go.mod h1:PaOfS47VrvmYnxG5vhHg0KU60cKeWcqyLbM
 cloud.google.com/go/deploy v1.22.0/go.mod h1:qXJgBcnyetoOe+w/79sCC99c5PpHJsgUXCNhwMjG0e4=
 cloud.google.com/go/deploy v1.23.0/go.mod h1:O7qoXcg44Ebfv9YIoFEgYjPmrlPsXD4boYSVEiTqdHY=
 cloud.google.com/go/deploy v1.23.1/go.mod h1:h9uVCWxSDanXUereI5WR+vlZdbPJ6XGy+gcfC25v5rM=
+cloud.google.com/go/deploy v1.25.0/go.mod h1:h9uVCWxSDanXUereI5WR+vlZdbPJ6XGy+gcfC25v5rM=
 cloud.google.com/go/dialogflow v1.49.0/go.mod h1:dhVrXKETtdPlpPhE7+2/k4Z8FRNUp6kMV3EW3oz/fe0=
 cloud.google.com/go/dialogflow v1.55.0/go.mod h1:0u0hSlJiFpMkMpMNoFrQETwDjaRm8Q8hYKv+jz5JeRA=
 cloud.google.com/go/dialogflow v1.57.0/go.mod h1:wegtnocuYEfue6IGlX96n5mHu3JGZUaZxv1L5HzJUJY=
 cloud.google.com/go/dialogflow v1.58.0/go.mod h1:sWcyFLdUrg+TWBJVq/OtwDyjcyDOfirTF0Gx12uKy7o=
 cloud.google.com/go/dialogflow v1.58.1/go.mod h1:PjsrI+d2FI4BlGThxL0+Rua/g9vLI+2A1KL7s/Vo3pY=
+cloud.google.com/go/dialogflow v1.60.0/go.mod h1:PjsrI+d2FI4BlGThxL0+Rua/g9vLI+2A1KL7s/Vo3pY=
 cloud.google.com/go/dlp v1.11.2/go.mod h1:9Czi+8Y/FegpWzgSfkRlyz+jwW6Te9Rv26P3UfU/h/w=
 cloud.google.com/go/dlp v1.15.0/go.mod h1:LtPZxZAenBXKzvWIOB2hdHIXuEcK0wW0En8//u+/nNA=
 cloud.google.com/go/dlp v1.18.0/go.mod h1:RVO9zkh+xXgUa7+YOf9IFNHL/2FXt9Vnv/GKNYmc1fE=
@@ -239,6 +247,7 @@ cloud.google.com/go/edgecontainer v1.2.5/go.mod h1:OAb6tElD3F3oBujFAup14PKOs9B/l
 cloud.google.com/go/edgecontainer v1.3.0/go.mod h1:dV1qTl2KAnQOYG+7plYr53KSq/37aga5/xPgOlYXh3A=
 cloud.google.com/go/edgecontainer v1.3.1/go.mod h1:qyz5+Nk/UAs6kXp6wiux9I2U4A2R624K15QhHYovKKM=
 cloud.google.com/go/edgecontainer v1.3.2/go.mod h1:Hxj5saJT8LMREmAI9tbNTaBpW5loYiWFyisCjDhzu88=
+cloud.google.com/go/edgecontainer v1.4.0/go.mod h1:Hxj5saJT8LMREmAI9tbNTaBpW5loYiWFyisCjDhzu88=
 cloud.google.com/go/errorreporting v0.3.0/go.mod h1:xsP2yaAp+OAW4OIm60An2bbLpqIhKXdWR/tawvl7QzU=
 cloud.google.com/go/errorreporting v0.3.1/go.mod h1:6xVQXU1UuntfAf+bVkFk6nld41+CPyF2NSPCyXE3Ztk=
 cloud.google.com/go/essentialcontacts v1.6.6/go.mod h1:XbqHJGaiH0v2UvtuucfOzFXN+rpL/aU5BCZLn4DYl1Q=
@@ -251,6 +260,7 @@ cloud.google.com/go/eventarc v1.13.10/go.mod h1:KlCcOMApmUaqOEZUpZRVH+p0nnnsY1Ha
 cloud.google.com/go/eventarc v1.14.0/go.mod h1:60ZzZfOekvsc/keHc7uGHcoEOMVa+p+ZgRmTjpdamnA=
 cloud.google.com/go/eventarc v1.14.1/go.mod h1:NG0YicE+z9MDcmh2u4tlzLDVLRjq5UHZlibyQlPhcxY=
 cloud.google.com/go/eventarc v1.14.2/go.mod h1:PAd/pPIZdJtJQFJI1yDEUms1mqohdNuM1BFEVHHlVFg=
+cloud.google.com/go/eventarc v1.15.0/go.mod h1:PAd/pPIZdJtJQFJI1yDEUms1mqohdNuM1BFEVHHlVFg=
 cloud.google.com/go/filestore v1.8.1/go.mod h1:MbN9KcaM47DRTIuLfQhJEsjaocVebNtNQhSLhKCF5GM=
 cloud.google.com/go/filestore v1.8.7/go.mod h1:dKfyH0YdPAKdYHqAR/bxZeil85Y5QmrEVQwIYuRjcXI=
 cloud.google.com/go/filestore v1.9.0/go.mod h1:GlQK+VBaAGb19HqprnOMqYYpn7Gev5ZA9SSHpxFKD7Q=
@@ -275,6 +285,7 @@ cloud.google.com/go/gkeconnect v0.10.0/go.mod h1:d8TE+YAlX7mvq8pWy1Q4yOnmxbN0Sim
 cloud.google.com/go/gkeconnect v0.11.0/go.mod h1:l3iPZl1OfT+DUQ+QkmH1PC5RTLqxKQSVnboLiQGAcCA=
 cloud.google.com/go/gkeconnect v0.11.1/go.mod h1:Vu3UoOI2c0amGyv4dT/EmltzscPH41pzS4AXPqQLej0=
 cloud.google.com/go/gkeconnect v0.11.2/go.mod h1:+Sj47chrbFMON1wjG6DA4KJKi85/7ON7GQZXEo0cbaQ=
+cloud.google.com/go/gkeconnect v0.12.0/go.mod h1:zn37LsFiNZxPN4iO7YbUk8l/E14pAJ7KxpoXoxt7Ly0=
 cloud.google.com/go/gkehub v0.14.5/go.mod h1:6bzqxM+a+vEH/h8W8ec4OJl4r36laxTs3A/fMNHJ0wA=
 cloud.google.com/go/gkehub v0.14.11/go.mod h1:CsmDJ4qbBnSPkoBltEubK6qGOjG0xNfeeT5jI5gCnRQ=
 cloud.google.com/go/gkehub v0.15.0/go.mod h1:obpeROly2mjxZJbRkFfHEflcH54XhJI+g2QgfHphL0I=
@@ -348,6 +359,7 @@ cloud.google.com/go/maps v1.11.5/go.mod h1:MOS/NN0L6b7Kumr8bLux9XTpd8+D54DYxBMUj
 cloud.google.com/go/maps v1.12.0/go.mod h1:qjErDNStn3BaGx06vHner5d75MRMgGflbgCuWTuslMc=
 cloud.google.com/go/maps v1.14.0/go.mod h1:UepOes9un0UP7i8JBiaqgh8jqUaZAHVRXCYjrVlhSC8=
 cloud.google.com/go/maps v1.14.1/go.mod h1:ZFqZS04ucwFiHSNU8TBYDUr3wYhj5iBFJk24Ibvpf3o=
+cloud.google.com/go/maps v1.15.0/go.mod h1:ZFqZS04ucwFiHSNU8TBYDUr3wYhj5iBFJk24Ibvpf3o=
 cloud.google.com/go/mediatranslation v0.8.5/go.mod h1:y7kTHYIPCIfgyLbKncgqouXJtLsU+26hZhHEEy80fSs=
 cloud.google.com/go/mediatranslation v0.8.11/go.mod h1:3sNEm0fx61eHk7rfzBzrljVV9XKr931xI3OFacQBVFg=
 cloud.google.com/go/mediatranslation v0.9.0/go.mod h1:udnxo0i4YJ5mZfkwvvQQrQ6ra47vcX8jeGV+6I5x+iU=
@@ -378,6 +390,7 @@ cloud.google.com/go/networkmanagement v1.13.6/go.mod h1:WXBijOnX90IFb6sberjnGrVt
 cloud.google.com/go/networkmanagement v1.14.0/go.mod h1:4myfd4A0uULCOCGHL1npZN0U+kr1Z2ENlbHdCCX4cE8=
 cloud.google.com/go/networkmanagement v1.14.1/go.mod h1:3Ds8FZ3ZHjTVEedsBoZi9ef9haTE14iS6swTSqM39SI=
 cloud.google.com/go/networkmanagement v1.15.0/go.mod h1:Yc905R9U5jik5YMt76QWdG5WqzPU4ZsdI/mLnVa62/Q=
+cloud.google.com/go/networkmanagement v1.16.0/go.mod h1:Yc905R9U5jik5YMt76QWdG5WqzPU4ZsdI/mLnVa62/Q=
 cloud.google.com/go/networksecurity v0.9.5/go.mod h1:KNkjH/RsylSGyyZ8wXpue8xpCEK+bTtvof8SBfIhMG8=
 cloud.google.com/go/networksecurity v0.9.11/go.mod h1:4xbpOqCwplmFgymAjPFM6ZIplVC6+eQ4m7sIiEq9oJA=
 cloud.google.com/go/networksecurity v0.10.0/go.mod h1:IcpI5pyzlZyYG8cNRCJmY1AYKajsd9Uz575HoeyYoII=
@@ -441,6 +454,7 @@ cloud.google.com/go/recaptchaenterprise/v2 v2.16.0/go.mod h1:iq7s8lR3dXv4mDXE3/q
 cloud.google.com/go/recaptchaenterprise/v2 v2.17.0/go.mod h1:SS4QDdlmJ3NvbOMCXQxaFhVGRjvNMfoKCoCdxqXadqs=
 cloud.google.com/go/recaptchaenterprise/v2 v2.17.2/go.mod h1:iigNZOnUpf++xlm8RdMZJTX/PihYVMrHidRLjHuekec=
 cloud.google.com/go/recaptchaenterprise/v2 v2.17.3/go.mod h1:vnbA2SpVPPwKeoFrCQxR+5a0JFRRytwBBG69Zj9pGfk=
+cloud.google.com/go/recaptchaenterprise/v2 v2.19.0/go.mod h1:vnbA2SpVPPwKeoFrCQxR+5a0JFRRytwBBG69Zj9pGfk=
 cloud.google.com/go/recommendationengine v0.8.5/go.mod h1:A38rIXHGFvoPvmy6pZLozr0g59NRNREz4cx7F58HAsQ=
 cloud.google.com/go/recommendationengine v0.8.11/go.mod h1:cEkU4tCXAF88a4boMFZym7U7uyxvVwcQtKzS85IbQio=
 cloud.google.com/go/recommendationengine v0.9.0/go.mod h1:59ydKXFyXO4Y8S0Bk224sKfj6YvIyzgcpG6w8kXIMm4=
@@ -476,6 +490,7 @@ cloud.google.com/go/run v1.4.0/go.mod h1:4G9iHLjdOC+CQ0CzA0+6nLeR6NezVPmlj+GULmb
 cloud.google.com/go/run v1.5.0/go.mod h1:Z4Tv/XNC/veO6rEpF0waVhR7vEu5RN1uJQ8dD1PeMtI=
 cloud.google.com/go/run v1.6.0/go.mod h1:DXkPPa8bZ0jfRGLT+EKIlPbHvosBYBMdxTgo9EBbXZE=
 cloud.google.com/go/run v1.6.1/go.mod h1:IvJOg2TBb/5a0Qkc6crn5yTy5nkjcgSWQLhgO8QL8PQ=
+cloud.google.com/go/run v1.7.0/go.mod h1:IvJOg2TBb/5a0Qkc6crn5yTy5nkjcgSWQLhgO8QL8PQ=
 cloud.google.com/go/scheduler v1.10.6/go.mod h1:pe2pNCtJ+R01E06XCDOJs1XvAMbv28ZsQEbqknxGOuE=
 cloud.google.com/go/scheduler v1.10.12/go.mod h1:6DRtOddMWJ001HJ6MS148rtLSh/S2oqd2hQC3n5n9fQ=
 cloud.google.com/go/scheduler v1.11.0/go.mod h1:RBSu5/rIsF5mDbQUiruvIE6FnfKpLd3HlTDu8aWk0jw=
@@ -511,6 +526,7 @@ cloud.google.com/go/spanner v1.65.0/go.mod h1:dQGB+w5a67gtyE3qSKPPxzniedrnAmV6te
 cloud.google.com/go/spanner v1.67.0/go.mod h1:Um+TNmxfcCHqNCKid4rmAMvoe/Iu1vdz6UfxJ9GPxRQ=
 cloud.google.com/go/spanner v1.70.0/go.mod h1:X5T0XftydYp0K1adeJQDJtdWpbrOeJ7wHecM4tK6FiE=
 cloud.google.com/go/spanner v1.71.0/go.mod h1:mw98ua5ggQXVWwp83yjwggqEmW9t8rjs9Po1ohcUGW4=
+cloud.google.com/go/spanner v1.73.0/go.mod h1:mw98ua5ggQXVWwp83yjwggqEmW9t8rjs9Po1ohcUGW4=
 cloud.google.com/go/speech v1.21.1/go.mod h1:E5GHZXYQlkqWQwY5xRSLHw2ci5NMQNG52FfMU1aZrIA=
 cloud.google.com/go/speech v1.24.0/go.mod h1:HcVyIh5jRXM5zDMcbFCW+DF2uK/MSGN6Rastt6bj1ic=
 cloud.google.com/go/speech v1.25.0/go.mod h1:2IUTYClcJhqPgee5Ko+qJqq29/bglVizgIap0c5MvYs=
@@ -536,6 +552,7 @@ cloud.google.com/go/texttospeech v1.7.11/go.mod h1:Ua125HU+WT2IkIo5MzQtuNpNEk72s
 cloud.google.com/go/texttospeech v1.8.0/go.mod h1:hAgeA01K5QNfLy2sPUAVETE0L4WdEpaCMfwKH1qjCQU=
 cloud.google.com/go/texttospeech v1.8.1/go.mod h1:WoTykB+4mfSDDYPuk7smrdXNRGoJJS6dXRR6l4XqD9g=
 cloud.google.com/go/texttospeech v1.9.0/go.mod h1:215FpCOyRxxrS7DSb2t7f4ylMz8dXsQg8+Vdup5IhP4=
+cloud.google.com/go/texttospeech v1.10.0/go.mod h1:215FpCOyRxxrS7DSb2t7f4ylMz8dXsQg8+Vdup5IhP4=
 cloud.google.com/go/tpu v1.6.5/go.mod h1:P9DFOEBIBhuEcZhXi+wPoVy/cji+0ICFi4TtTkMHSSs=
 cloud.google.com/go/tpu v1.6.11/go.mod h1:W0C4xaSj1Ay3VX/H96FRvLt2HDs0CgdRPVI4e7PoCDk=
 cloud.google.com/go/tpu v1.7.0/go.mod h1:/J6Co458YHMD60nM3cCjA0msvFU/miCGMfx/nYyxv/o=

transport/grpc/dial.go

@@ -22,7 +22,6 @@ import (
 	"cloud.google.com/go/auth/grpctransport"
 	"cloud.google.com/go/auth/oauth2adapt"
 	"cloud.google.com/go/compute/metadata"
-	"go.opencensus.io/plugin/ocgrpc"
 	"go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc"
 	"golang.org/x/oauth2"
 	"golang.org/x/time/rate"
@@ -385,7 +384,6 @@ func dial(ctx context.Context, insecure bool, o *internal.DialSettings) (*grpc.C
 	// Add tracing, but before the other options, so that clients can override the
 	// gRPC stats handler.
 	// This assumes that gRPC options are processed in order, left to right.
-	grpcOpts = addOCStatsHandler(grpcOpts, o)
 	grpcOpts = addOpenTelemetryStatsHandler(grpcOpts, o)
 	grpcOpts = append(grpcOpts, o.GRPCDialOpts...)
 	if o.UserAgent != "" {
@@ -395,13 +393,6 @@ func dial(ctx context.Context, insecure bool, o *internal.DialSettings) (*grpc.C
 	return dialContext(ctx, endpoint, grpcOpts...)
 }
 
-func addOCStatsHandler(opts []grpc.DialOption, settings *internal.DialSettings) []grpc.DialOption {
-	if settings.TelemetryDisabled {
-		return opts
-	}
-	return append(opts, grpc.WithStatsHandler(&ocgrpc.ClientHandler{}))
-}
-
 func addOpenTelemetryStatsHandler(opts []grpc.DialOption, settings *internal.DialSettings) []grpc.DialOption {
 	if settings.TelemetryDisabled {
 		return opts

transport/grpc/dial_test.go

@@ -23,8 +23,8 @@ func TestDial(t *testing.T) {
 	oldDialContext := dialContext
 	// Replace package var in order to assert DialContext args.
 	dialContext = func(ctxGot context.Context, target string, opts ...grpc.DialOption) (conn *grpc.ClientConn, err error) {
-		if len(opts) != 4 {
-			t.Fatalf("got: %d, want: 4", len(opts))
+		if len(opts) != 3 {
+			t.Fatalf("got: %d, want: 3", len(opts))
 		}
 		return nil, nil
 	}

transport/http/dial.go

@@ -19,15 +19,13 @@ import (
 	"cloud.google.com/go/auth/credentials"
 	"cloud.google.com/go/auth/httptransport"
 	"cloud.google.com/go/auth/oauth2adapt"
-	"go.opencensus.io/plugin/ochttp"
 	"go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp"
 	"golang.org/x/net/http2"
 	"golang.org/x/oauth2"
 	"google.golang.org/api/googleapi/transport"
 	"google.golang.org/api/internal"
 	"google.golang.org/api/internal/cert"
 	"google.golang.org/api/option"
-	"google.golang.org/api/transport/http/internal/propagation"
 )
 
 // NewClient returns an HTTP client for use communicating with a Google cloud
@@ -165,10 +163,7 @@ func newTransport(ctx context.Context, base http.RoundTripper, settings *interna
 		requestReason: settings.RequestReason,
 	}
 	var trans http.RoundTripper = paramTransport
-	// Give OpenTelemetry precedence over OpenCensus in case user configuration
-	// causes both to write the same header (`X-Cloud-Trace-Context`).
 	trans = addOpenTelemetryTransport(trans, settings)
-	trans = addOCTransport(trans, settings)
 	switch {
 	case settings.NoAuth:
 		// Do nothing.
@@ -309,16 +304,6 @@ func addOpenTelemetryTransport(trans http.RoundTripper, settings *internal.DialS
 	return otelhttp.NewTransport(trans)
 }
 
-func addOCTransport(trans http.RoundTripper, settings *internal.DialSettings) http.RoundTripper {
-	if settings.TelemetryDisabled {
-		return trans
-	}
-	return &ochttp.Transport{
-		Base:        trans,
-		Propagation: &propagation.HTTPFormat{},
-	}
-}
-
 // clonedTransport returns the given RoundTripper as a cloned *http.Transport.
 // It returns nil if the RoundTripper can't be cloned or coerced to
 // *http.Transport.