Merge pull request #60365 from CaoShuFeng/example_test

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>.

clean up elasticsearch from unit test

The example of elasticsearch has been removed.

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

examples/examples_test.go

@@ -238,11 +238,6 @@ func TestExampleObjectSchemas(t *testing.T) {
 			"namespace-dev":       &api.Namespace{},
 			"namespace-prod":      &api.Namespace{},
 		},
-		"../examples/elasticsearch": {
-			"es-rc":           &api.ReplicationController{},
-			"es-svc":          &api.Service{},
-			"service-account": nil,
-		},
 		"../examples/explorer": {
 			"pod": &api.Pod{},
 		},