Merge pull request #42062 from timothysc/kubeadm-etcd

Automatic merge from submit-queue (batch tested with PRs 41962, 42055, 42062, 42019, 42054)

Don't restrict etcd on self host installs b/c a clipped etcd can have

**What this PR does / why we need it**:
Remove cpu-clipping from self hosted etcd install from the masters.

**Special notes for your reviewer**:

**Release note**:

```
NONE
```

cmd/kubeadm/app/master/manifests.go

@@ -111,7 +111,6 @@ func WriteStaticPodManifests(cfg *kubeadmapi.MasterConfiguration) error {
 			VolumeMounts:  []api.VolumeMount{certsVolumeMount(), etcdVolumeMount(), k8sVolumeMount()},
 			Image:         images.GetCoreImage(images.KubeEtcdImage, cfg, kubeadmapi.GlobalEnvParams.EtcdImage),
 			LivenessProbe: componentProbe(2379, "/health"),
-			Resources:     componentResources("200m"),
 		}, certsVolume(cfg), etcdVolume(cfg), k8sVolume(cfg))
 
 		etcdPod.Spec.SecurityContext = &api.PodSecurityContext{