fix(ui): remove straggling onPointerUp handlers

[psychedelicious]

Summary

Missed a few spots in #7048, not sure how/why but the revert didn't catch em.

Related Issues / Discussions

https://discord.com/channels/1020123559063990373/1149513625321603162/1293359632504590438

QA Instructions

n/a

Merge Plan

n/a

Checklist

• [x] The PR has a short but descriptive title, suitable for a changelog
• [ ] Tests added / updated (if applicable)
• [ ] Documentation added / updated (if applicable)