Remove initializers (ja) (#14626)

Initializers are removed in 1.14 [1]

[1]: https://github.com/kubernetes/kubernetes/pull/72972

content/ja/examples/admin/cloud/pvl-initializer-config.yaml

@@ -1,13 +0,0 @@
-kind: InitializerConfiguration
-apiVersion: admissionregistration.k8s.io/v1alpha1
-metadata:
-  name: pvlabel.kubernetes.io
-initializers:
-  - name: pvlabel.kubernetes.io
-    rules:
-    - apiGroups:
-      - ""
-      apiVersions:
-      - "*"
-      resources:
-      - persistentvolumes

content/ja/examples/examples_test.go

@@ -89,9 +89,6 @@ func validateObject(obj runtime.Object) (errors field.ErrorList) {
 	// Enable CustomPodDNS for testing
 	utilfeature.DefaultFeatureGate.Set("CustomPodDNS=true")
 	switch t := obj.(type) {
-	case *admissionregistration.InitializerConfiguration:
-		// cluster scope resource
-		errors = ar_validation.ValidateInitializerConfiguration(t)
 	case *api.ConfigMap:
 		if t.Namespace == "" {
 			t.Namespace = api.NamespaceDefault
@@ -299,7 +296,6 @@ func TestExampleObjectSchemas(t *testing.T) {
 		},
 		"admin/cloud": {
 			"ccm-example":            {&api.ServiceAccount{}, &rbac.ClusterRoleBinding{}, &extensions.DaemonSet{}},
-			"pvl-initializer-config": {&admissionregistration.InitializerConfiguration{}},
 		},
 		"admin/dns": {
 			"busybox":                   {&api.Pod{}},