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remove rescheduler since scheduling DS pods by default scheduler is moving to beta

**What this PR does / why we need it**:

remove rescheduler since scheduling DS pods by default scheduler is moving to beta

**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 #64725

**Special notes for your reviewer**:

**Release note**:
```release-note
Remove rescheduler since scheduling DS pods by default scheduler is moving to beta.
```