Merge pull request #66514 from justinsb/dont_require_heapster

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>.

e2e: don't require heapster

As heapster is now deprecated, we shouldn't require it for e2e tests to pass.


```release-note
NONE
```

test/e2e/kubectl/kubectl.go

@@ -839,9 +839,6 @@ metadata:
 			output := framework.RunKubectlOrDie("cluster-info")
 			// Can't check exact strings due to terminal control commands (colors)
 			requiredItems := []string{"Kubernetes master", "is running at"}
-			if framework.ProviderIs("gce", "gke") {
-				requiredItems = append(requiredItems, "Heapster")
-			}
 			for _, item := range requiredItems {
 				if !strings.Contains(output, item) {
 					framework.Failf("Missing %s in kubectl cluster-info", item)