If this piece of code goes away I think that the `waitForComponentRestart` var could go away too and the [if](https://github.com/kubernetes/kubernetes/blob/2ea50003797952e599ae24cd58e6e9f98caa4d5a/cmd/kubeadm/app/phases/upgrade/staticpods.go#L228) statement below in the same func could be simplified throwing away the else branch 