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
```