remove experimental remnants and add todo comment

Author: stephybun

tfprotov5/generate_resource_config.go

@@ -11,9 +11,6 @@ type GenerateResourceConfigRequest struct {
 
 	// State is the resource's state value.
 	State *DynamicValue
-
-	// Experimental, mux would fill this in
-	// ResourceSchema *Schema
 }
 
 // GenerateResourceConfigResponse is the response from the provider containing the config value

tfprotov5/resource.go

@@ -70,6 +70,7 @@ type ResourceServer interface {
 	// identity state to upgrade it to the latest state schema.
 	UpgradeResourceIdentity(context.Context, *UpgradeResourceIdentityRequest) (*UpgradeResourceIdentityResponse, error)
 
+	// TODO: Once this interface is no longer optional we can uncomment this
 	// GenerateResourceConfig is called when Terraform wants to generate a resource
 	// configuration for importing to a resource address that doesn't exist yet.
 	// It is called during a plan when the -generate-config-out flag is provided.