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>.
remove replicaset unit tests that are converted to integration tests
**What this PR does / why we need it**:
This PR revamps existing replicaset unit tests by removing the tests that have been converted to integration tests.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: xref #52118
**Release note**:
```release-note
NONE
```