Automatic merge from submit-queue (batch tested with PRs 50589, 50558)

remove useless comments

**What this PR does / why we need it**:
remove useless comments

**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #49103

**Release note**:
```release-note
None
```