Merge pull request kubernetes#6189 from futureperfect/quickstart-deployment-cleanup

Add deployment cleanup to minikube quickstart

Author: Xiaoyu(Tim) Zhang

docs/getting-started-guides/minikube.md

@@ -68,6 +68,8 @@ client_address=192.168.99.1
 command=GET
 real path=/
 ...
+$ kubectl delete deployment hello-minikube
+deployment "hello-minikube" deleted
 $ minikube stop
 Stopping local Kubernetes cluster...
 Stopping "minikube"...