Also remove iam_compute_subnetwork.go

provider/terraform/utils/iam_compute_subnetwork.go.erb

@@ -1,5 +1,6 @@
 <% autogen_exception -%>
 package google
+<% unless version.nil? || version == 'ga' -%>
 
 import (
 	"fmt"
@@ -13,28 +14,19 @@ import (
 
 var IamComputeSubnetworkSchema = map[string]*schema.Schema{
 	"subnetwork": {
-<% if version.nil? || version == 'ga' -%>
-		Deprecated:    "This field is in beta and will be removed from this provider. Use it in the the google-beta provider instead. See https://terraform.io/docs/providers/google/provider_versions.html for more details.",
-<% end -%>
 		Type:       schema.TypeString,
 		Required:   true,
 		ForceNew:   true,
 	},
 
 	"project": {
-<% if version.nil? || version == 'ga' -%>
-		Deprecated:    "This field is in beta and will be removed from this provider. Use it in the the google-beta provider instead. See https://terraform.io/docs/providers/google/provider_versions.html for more details.",
-<% end -%>
 		Type:       schema.TypeString,
 		Optional:   true,
 		Computed:   true,
 		ForceNew:   true,
 	},
 
 	"region": {
-<% if version.nil? || version == 'ga' -%>
-		Deprecated:    "This field is in beta and will be removed from this provider. Use it in the the google-beta provider instead. See https://terraform.io/docs/providers/google/provider_versions.html for more details.",
-<% end -%>
 		Type:       schema.TypeString,
 		Optional:   true,
 		Computed:   true,
@@ -172,3 +164,6 @@ func computeBetaToResourceManagerPolicy(p *computeBeta.Policy) (*cloudresourcema
 	}
 	return out, nil
 }
+<% else %>
+// Magic Modules doesn't let us remove files - blank out beta-only common-compile files for now.
+<% end -%>