Clean out some old left-behind quantizer stuff in Jit64/Jit_LoadStorePaired.cpp and Jit64/Jit_SystemRegisters.cpp.
Remove dead else branch in StoreFromRegister() in Jit64/JitRegCache.cpp
Remove #if 0 statement in lfd() in Jit64/Jit_LoadStoreFloating.cpp
Merge pull request #71 from lioncash/jit-cleanup

Remove unused code in the JIT recompiler.