Merge pull request kubernetes#61452 from hzxuzhonghu/minor-revision

Automatic merge from submit-queue (batch tested with PRs 61452, 61727, 61462, 61692, 61738). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

remove invalid resource replicationControllers in DefaultResourcePrefixes

As all resources are lowercased, so remove invalid GroupResource `{Group: "", Resource: "replicationControllers"}`.

**Release note**:

```release-note
NONE
```

Author: Kubernetes Submit Queue

pkg/kubeapiserver/default_storage_factory_builder.go

@@ -26,7 +26,6 @@ import (
 
 // SpecialDefaultResourcePrefixes are prefixes compiled into Kubernetes.
 var SpecialDefaultResourcePrefixes = map[schema.GroupResource]string{
-	{Group: "", Resource: "replicationControllers"}:        "controllers",
 	{Group: "", Resource: "replicationcontrollers"}:        "controllers",
 	{Group: "", Resource: "endpoints"}:                     "services/endpoints",
 	{Group: "", Resource: "nodes"}:                         "minions",