Automatic merge from submit-queue (batch tested with PRs 47883, 47179, 46966, 47982, 47945)
Remove e2e test for least requested prioirty function
**What this PR does / why we need it**:
Deletes a flaky e2e test for "least requested" priority function of the scheduler. This priority function is tested more extensively in our unit tests.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes#47769
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```