Automatic merge from submit-queue (batch tested with PRs 64246, 65489, 65443). 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>.
azure: Move configuration of resource group in storage class.
**What this PR does / why we need it**:
This moves configuration of Azure resource group into storage class. Users can't configure dynamic provisioning in PVCs, because that makes the PVC not portable to other Kubernetes installations, possibly on other clouds.
/sig storage
/assign @andyzhangx
**Release note**:
```release-note
NONE
```
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