## About The Pull Request
This is a remake of #70242
Replaces all instances of ``do_mob`` and ``do_after_mob`` with
``do_after``.
## Why It's Good For The Game
All 3 of these are just copy pastes of eachother but some miss some
features (like do_after not checking for target loc change, which helps
towards fixing https://github.com/tgstation/tgstation/issues/66874
though it doesn't because mechs are setting ``do_after`` on the mob in
the mech) and signals only being used on ``do_after``.
## Changelog
🆑
fix: Mechs should now cancel out of drilling when they move.
/🆑
c097f167b1