title: K8S: How do I delete deployments with 0 replicas
body: <p>How do I clear old deployments? I'm able shrink a deployment to 0 replicas via <code>kubectl scale deployment.v1.apps/hello-kubernetes3 --replicas=0</code>, but as shown below they're still present in some form.</p>
  <pre><code>$ kubectl get rs -o wide
  NAME                           DESIRED   CURRENT   READY   AGE   CONTAINERS         IMAGES                            SELECTOR
  hello-kubernetes-5cb547b7d     1         1         1       27m   hello-kubernetes   paulbouwer/hello-kubernetes:1.8   app=hello-kubernetes,pod-template-hash=5cb547b7d
  hello-kubernetes-6d9fd679cd    0         0         0       32m   hello-kubernetes   paulbouwer/hello-kubernetes:1.8   app=hello-kubernetes,pod-template-hash=6d9fd679cd
  hello-kubernetes3-6d9fd679cd   0         0         0       25m   hello-kubernetes   paulbouwer/hello-kubernetes:1.8   app=hello-kubernetes,pod-template-hash=6d9fd679cd
  </code></pre>