Merge pull request #62418 from mindprince/remove-hostnetwork-from-device-plugin

Automatic merge from submit-queue (batch tested with PRs 62448, 59317, 59947, 62418, 62352). 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>.

Remove hostNetwork and hostPID from nvidia-gpu-device-plugin manifest.

They are not needed.

Fixes https://github.com/kubernetes/kubernetes/issues/62357

```release-note
NONE
```

/assign @jiayingz @vishh 
cc @kodieGlosser

cluster/addons/device-plugins/nvidia-gpu/daemonset.yaml

@@ -27,8 +27,6 @@ spec:
         effect: "NoExecute"
       - operator: "Exists"
         effect: "NoSchedule"
-      hostNetwork: true
-      hostPID: true
       volumes:
       - name: device-plugin
         hostPath: