Automatic merge from submit-queue. 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>.
Cleanup node type checking for azure nodes
**What this PR does / why we need it**:
This PR cleanup node type checking for azure nodes. It also fixes a problem of `instance not found` error for VMAS nodes in vmss cluster (vmType set to vmss):
```
ss.GetPrimaryInterface(k8s-master), ss.getCachedVirtualMachine(k8s-master), err=instance not found
```
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes#60185
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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