remove FEATURE-branch-provider-functions project from TeamCity fold…

…er (GoogleCloudPlatform#10292)

mmv1/third_party/terraform/.teamcity/components/projects/feature_branches/README.md

@@ -0,0 +1,5 @@
+## Feature Branch Folder
+
+This folder is meant for testing of new features in teamcity.
+
+For example, this [PR](https://github.com/GoogleCloudPlatform/magic-modules/pull/10088) creates a project within teamcity for testing provider functions.

mmv1/third_party/terraform/.teamcity/components/projects/root_project.kt

@@ -18,7 +18,6 @@ import generated.ServicesListBeta
 import generated.ServicesListGa
 import jetbrains.buildServer.configs.kotlin.Project
 import jetbrains.buildServer.configs.kotlin.sharedResource
-import projects.feature_branches.featureBranchProviderFunctionSubProject
 
 // googleCloudRootProject returns a root project that contains a subprojects for the GA and Beta version of the
 // Google provider. There are also resources to help manage the test projects used for acceptance tests.
@@ -63,9 +62,6 @@ fun googleCloudRootProject(allConfig: AllContextParameters): Project {
         subProject(googleSubProjectBeta(allConfig))
         subProject(projectSweeperSubProject(allConfig))
 
-        // Feature branch-testing projects - these will be added and removed as needed
-        subProject(featureBranchProviderFunctionSubProject(allConfig))
-
         params {
             readOnlySettings()
         }