* Document `func_800D1694` as `Matrix_TranslateRotateYXZ`
* Document `func_800D1FD4` as `Matrix_ReplaceRotation`
* Cleanup `Matrix_RotateAxis`
* Document `func_800A7EC0` as `SkinMatrix_SetRotateAxis`
* Document `func_800D2A34` and `func_800D2A98` as `Matrix_SetTranslateScaleMtx`(`F`)
* Document mostly unused functions at the end of `sys_matrix.c`
* Add in-use renamed functions to `namefixer.py`
* Add `Matrix_SetTranslateScaleMtx2` to `namefixer.py`
* Run formatter
* Fix namefixer.py mistake from #952
* Format clang-11.1
* Fix `Matrix_TranslateRotateYXZ` wrongly documented, it actually is `Matrix_SetTranslateRotateYXZ`
* VS Code is stellar at refactoring (no)
* Run formatter
* Come on VS Code
* Improve `Matrix_ReplaceRotation` docs
* Fix typo
* Fix namefixer.py