Merge pull request kubernetes#66998 from WanLinghao/more_legacy_clean

Automatic merge from submit-queue. 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>.

snip more legacy scheme uses we don't need

**What this PR does / why we need it**:
snip more legacy scheme uses we don't need
ref:kubernetes#66926
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #

**Special notes for your reviewer**:

**Release note**:

```release-note
NONE
```

Author: Kubernetes Submit Queue

pkg/kubectl/cmd/describe_test.go

@@ -24,7 +24,6 @@ import (
 
 	"k8s.io/apimachinery/pkg/api/meta"
 	"k8s.io/client-go/rest/fake"
-	"k8s.io/kubernetes/pkg/api/legacyscheme"
 	cmdtesting "k8s.io/kubernetes/pkg/kubectl/cmd/testing"
 	cmdutil "k8s.io/kubernetes/pkg/kubectl/cmd/util"
 	"k8s.io/kubernetes/pkg/kubectl/genericclioptions"
@@ -108,7 +107,7 @@ func TestDescribeObject(t *testing.T) {
 	_, _, rc := testData()
 	tf := cmdtesting.NewTestFactory().WithNamespace("test")
 	defer tf.Cleanup()
-	codec := legacyscheme.Codecs.LegacyCodec(scheme.Scheme.PrioritizedVersionsAllGroups()...)
+	codec := scheme.Codecs.LegacyCodec(scheme.Scheme.PrioritizedVersionsAllGroups()...)
 
 	tf.UnstructuredClient = &fake.RESTClient{
 		NegotiatedSerializer: unstructuredSerializer,
@@ -149,7 +148,7 @@ func TestDescribeListObjects(t *testing.T) {
 	pods, _, _ := testData()
 	tf := cmdtesting.NewTestFactory().WithNamespace("test")
 	defer tf.Cleanup()
-	codec := legacyscheme.Codecs.LegacyCodec(scheme.Scheme.PrioritizedVersionsAllGroups()...)
+	codec := scheme.Codecs.LegacyCodec(scheme.Scheme.PrioritizedVersionsAllGroups()...)
 
 	tf.UnstructuredClient = &fake.RESTClient{
 		NegotiatedSerializer: unstructuredSerializer,
@@ -176,7 +175,7 @@ func TestDescribeObjectShowEvents(t *testing.T) {
 	pods, _, _ := testData()
 	tf := cmdtesting.NewTestFactory().WithNamespace("test")
 	defer tf.Cleanup()
-	codec := legacyscheme.Codecs.LegacyCodec(scheme.Scheme.PrioritizedVersionsAllGroups()...)
+	codec := scheme.Codecs.LegacyCodec(scheme.Scheme.PrioritizedVersionsAllGroups()...)
 
 	tf.UnstructuredClient = &fake.RESTClient{
 		NegotiatedSerializer: unstructuredSerializer,
@@ -202,7 +201,7 @@ func TestDescribeObjectSkipEvents(t *testing.T) {
 	pods, _, _ := testData()
 	tf := cmdtesting.NewTestFactory().WithNamespace("test")
 	defer tf.Cleanup()
-	codec := legacyscheme.Codecs.LegacyCodec(scheme.Scheme.PrioritizedVersionsAllGroups()...)
+	codec := scheme.Codecs.LegacyCodec(scheme.Scheme.PrioritizedVersionsAllGroups()...)
 
 	tf.UnstructuredClient = &fake.RESTClient{
 		NegotiatedSerializer: unstructuredSerializer,

pkg/kubectl/cmd/rollingupdate.go

@@ -32,7 +32,6 @@ import (
 	"k8s.io/apimachinery/pkg/util/intstr"
 	"k8s.io/client-go/kubernetes"
 	scaleclient "k8s.io/client-go/scale"
-	"k8s.io/kubernetes/pkg/api/legacyscheme"
 	"k8s.io/kubernetes/pkg/kubectl"
 	"k8s.io/kubernetes/pkg/kubectl/cmd/templates"
 	cmdutil "k8s.io/kubernetes/pkg/kubectl/cmd/util"
@@ -311,7 +310,7 @@ func (o *RollingUpdateOptions) Run() error {
 	// than the old rc. This selector is the hash of the rc, with a suffix to provide uniqueness for
 	// same-image updates.
 	if len(o.Image) != 0 {
-		codec := legacyscheme.Codecs.LegacyCodec(v1.SchemeGroupVersion)
+		codec := scheme.Codecs.LegacyCodec(v1.SchemeGroupVersion)
 		newName := o.FindNewName(oldRc)
 		if newRc, err = kubectl.LoadExistingNextReplicationController(coreClient, o.Namespace, newName); err != nil {
 			return err