Automatic merge from submit-queue (batch tested with PRs 60189, 59542, 59931, 60621, 60353). 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 delete node in openstack, if those still exist in cloudprovider

**What this PR does / why we need it**: Deleting nodes in kubernetes cluster causes problems. It will lead to situations like labels and taints are missing from nodes when node will return online.

**Which issue(s) this PR fixes**:


**Special notes for your reviewer**:

```release-note
Nodes are not deleted from kubernetes anymore if node is shutdown in Openstack.
```