Update geonkick to 2.1.0
- Moved presets into doc/examples.
- Fixed a crash when opening a directory as kit preset.
- Fix saving kit state for standalone.
- Better quality of tuning.
- Fix loading stereo samples.
Test Plan: - Use in Carla and play some sound.
Reviewers: Triage Team, JoshStrobl
Reviewed By: Triage Team, JoshStrobl
Differential Revision: https://dev.getsol.us/D8758