Automatic merge from submit-queue (batch tested with PRs 54875, 54813, 54595, 54947, 54766). 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>.

Do not clobber KUBERNETES_PROVIDER - fix kubeadm/gce log collection

**What this PR does / why we need it**:

This gets in the way of correct log collection for at least
the kubeadm/gce jobs. Not sure if this piece of code is needed
any more.

**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #

**Special notes for your reviewer**:

**Release note**:

```release-note
NONE
```