remove duplicated import and wrong alias name of api package

pkg/kubelet/runonce_test.go

@@ -24,7 +24,6 @@ import (
 	cadvisorapi "github.com/google/cadvisor/info/v1"
 	cadvisorapiv2 "github.com/google/cadvisor/info/v2"
 	"k8s.io/api/core/v1"
-	clientv1 "k8s.io/api/core/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/types"
 	"k8s.io/apimachinery/pkg/util/clock"
@@ -117,7 +116,7 @@ func TestRunOnce(t *testing.T) {
 	// TODO: Factor out "StatsProvider" from Kubelet so we don't have a cyclic dependency
 	volumeStatsAggPeriod := time.Second * 10
 	kb.resourceAnalyzer = stats.NewResourceAnalyzer(kb, volumeStatsAggPeriod, kb.containerRuntime)
-	nodeRef := &clientv1.ObjectReference{
+	nodeRef := &v1.ObjectReference{
 		Kind:      "Node",
 		Name:      string(kb.nodeName),
 		UID:       types.UID(kb.nodeName),