Remove deprecated `upvotes` and `downvotes` from the notes API (!9384) · Merge requests · GitLab.org / GitLab FOSS · GitLab

What does this MR do?

Remove deprecated upvotes and downvotes from the notes API

Does this MR meet the acceptance criteria?

Changelog entry added
Documentation created/updated
API support added
Tests
- Added for this feature/bug
- All builds are passing
Conform by the merge request performance guides
Conform by the style guides
Branch has no merge conflicts with master (if it does - rebase it please)
[] Squashed related commits together

What are the relevant issue numbers?

Closes #28441 (closed)