Merge pull request #48976 from supereagle/cleanup-api-package

Automatic merge from submit-queue (batch tested with PRs 48976, 49474, 40050, 49426, 49430)

Remove duplicated import and wrong alias name of api package

**What this PR does / why we need it**:

**Which issue this PR fixes**: fixes #48975

**Special notes for your reviewer**:
/assign @caesarxuchao

**Release note**:
```release-note
NONE
```

pkg/controller/replication/replication_controller.go

@@ -27,7 +27,6 @@ import (
 
 	"github.com/golang/glog"
 	"k8s.io/api/core/v1"
-	clientv1 "k8s.io/api/core/v1"
 	"k8s.io/apimachinery/pkg/api/errors"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/labels"
@@ -102,7 +101,7 @@ func NewReplicationManager(podInformer coreinformers.PodInformer, rcInformer cor
 		kubeClient: kubeClient,
 		podControl: controller.RealPodControl{
 			KubeClient: kubeClient,
-			Recorder:   eventBroadcaster.NewRecorder(scheme.Scheme, clientv1.EventSource{Component: "replication-controller"}),
+			Recorder:   eventBroadcaster.NewRecorder(scheme.Scheme, v1.EventSource{Component: "replication-controller"}),
 		},
 		burstReplicas: burstReplicas,
 		expectations:  controller.NewUIDTrackingControllerExpectations(controller.NewControllerExpectations()),