Revert "RS: Add VP9 LoopFilter Intrinsic"

This reverts commit 6fc3e12b8912458cb4adcfd32e2f53d76b0cc737.

Conflicts:
	cpu_ref/Android.mk
	cpu_ref/rsCpuCore.cpp
	cpu_ref/rsCpuIntrinsicLoopFilter.cpp
	rsDefines.h

bug 17720646

Change-Id: Ie297cfbfa04e61944ac1340797ac81c23b2f2ea8
9 files changed