Remove obsolete, dead code
Remove obsolete, dead code

MerryMage/mgba,Touched/mgba,libretro/mgba,Iniquitatis/mgba,sergiobenrocha2/mgba,Touched/mgba,MerryMage/mgba,AdmiralCurtiss/mgba,AdmiralCurtiss/mgba,askotx/mgba,jeremyherbert/mgba,iracigt/mgba,Iniquitatis/mgba,iracigt/mgba,fr500/mgba,jeremyherbert/mgba,mgba-emu/mgba,cassos/mgba,fr500/mgba,sergiobenrocha2/mgba,iracigt/mgba,jeremyherbert/mgba,fr500/mgba,nattthebear/mgba,jeremyherbert/mgba,Iniquitatis/mgba,Iniquitatis/mgba,libretro/mgba,matthewbauer/mgba,fr500/mgba,sergiobenrocha2/mgba,sergiobenrocha2/mgba,AdmiralCurtiss/mgba,zerofalcon/mgba,bentley/mgba,libretro/mgba,bentley/mgba,MerryMage/mgba,sergiobenrocha2/mgba,askotx/mgba,Anty-Lemon/mgba,cassos/mgba,mgba-emu/mgba,Anty-Lemon/mgba,zerofalcon/mgba,Anty-Lemon/mgba,libretro/mgba,Anty-Lemon/mgba,mgba-emu/mgba,cassos/mgba,matthewbauer/mgba,askotx/mgba,nattthebear/mgba,zerofalcon/mgba,iracigt/mgba,Touched/mgba,askotx/mgba,libretro/mgba,mgba-emu/mgba