All: Partially revert datadir change
All: Partially revert datadir change

Anty-Lemon/mgba,Anty-Lemon/mgba,Anty-Lemon/mgba,libretro/mgba,Iniquitatis/mgba,Anty-Lemon/mgba,libretro/mgba,fr500/mgba,libretro/mgba,fr500/mgba,Iniquitatis/mgba,mgba-emu/mgba,Iniquitatis/mgba,fr500/mgba,fr500/mgba,mgba-emu/mgba,libretro/mgba,mgba-emu/mgba,libretro/mgba,Iniquitatis/mgba,mgba-emu/mgba