Removed 32-bit from OSX build.
Removed 32-bit from OSX build.

LWJGL-CI/bgfx,septag/bgfx,fluffyfreak/bgfx,mendsley/bgfx,fluffyfreak/bgfx,emoon/bgfx,LWJGL-CI/bgfx,LWJGL-CI/bgfx,jpcy/bgfx,LWJGL-CI/bgfx,septag/bgfx,jdryg/bgfx,fluffyfreak/bgfx,septag/bgfx,jpcy/bgfx,jpcy/bgfx,jdryg/bgfx,mendsley/bgfx,emoon/bgfx,emoon/bgfx,jdryg/bgfx,mendsley/bgfx,fluffyfreak/bgfx,attilaz/bgfx,MikePopoloski/bgfx,jdryg/bgfx,attilaz/bgfx,jpcy/bgfx,MikePopoloski/bgfx,bkaradzic/bgfx,bkaradzic/bgfx,attilaz/bgfx,bkaradzic/bgfx,MikePopoloski/bgfx,bkaradzic/bgfx