Remove obsolete patches.
Merge branch 'joyent/feature/xorg/trunk' into joyent/bulktest/oneshot

Conflicts:
	graphics/MesaLib/distinfo
	graphics/MesaLib/patches/patch-ab
	graphics/MesaLib/patches/patch-ad
	graphics/MesaLib/patches/patch-ae
	graphics/MesaLib/patches/patch-ag
	graphics/MesaLib/patches/patch-ai
	graphics/MesaLib/patches/patch-at
	graphics/MesaLib/patches/patch-ax
	graphics/MesaLib/patches/patch-be
	graphics/MesaLib/patches/patch-cc