Remove unused deps

go.mod

@@ -4,14 +4,16 @@ go 1.16
 
 require (
 	github.com/go-logr/logr v0.3.0
+	github.com/kr/text v0.2.0 // indirect
 	github.com/nbio/st v0.0.0-20140626010706-e9e8d9816f32
+	github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e // indirect
 	github.com/onsi/ginkgo v1.14.1
 	github.com/onsi/gomega v1.10.2
 	github.com/stakater/operator-utils v0.1.13
+	gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f // indirect
 	gopkg.in/h2non/gock.v1 v1.0.16
 	k8s.io/api v0.20.2
 	k8s.io/apimachinery v0.20.2
 	k8s.io/client-go v0.20.2
 	sigs.k8s.io/controller-runtime v0.8.3
-	sigs.k8s.io/kustomize/kustomize/v3 v3.8.7 // indirect
 )