Merge pull request #48389 from nikhita/apiextensions-client-go-cleanup

Automatic merge from submit-queue

apiextensions: add cleanup section to client-go

Adds a `Cleanup` section to be consistent with other client-go tutorials.

Fixes https://github.com/kubernetes/apiextensions-apiserver/issues/1

**Release note**:

```release-note
NONE
```

staging/src/k8s.io/apiextensions-apiserver/examples/client-go/README.md

@@ -43,4 +43,10 @@ type User struct {
 	Name     string `json:"name"`
 	Password string `json:"password"`
 }
-```
+```
+
+## Cleanup
+
+Successfully running this program will clean the created artifacts. If you terminate the program without completing, you can clean up the created CustomResourceDefinition with:
+
+    kubectl delete crd examples.cr.client-go.k8s.io

staging/src/k8s.io/apiextensions-apiserver/examples/client-go/main.go

@@ -110,7 +110,7 @@ func main() {
 	}
 	fmt.Print("PROCESSED\n")
 
-	// Fetch a list of our TPRs
+	// Fetch a list of our CRs
 	exampleList := crv1.ExampleList{}
 	err = exampleClient.Get().Resource(crv1.ExampleResourcePlural).Do().Into(&exampleList)
 	if err != nil {