Revert "Add VP9 inter-frame prediction intrinsic"

This reverts commit 60498fe9679ea25a260a503d6dfd27cbc0a0c079.

Change-Id: I4d8bb284793874a08c0cc991c0e04ecc104e1e0f

Conflicts:
	cpu_ref/Android.mk
	cpu_ref/rsCpuCore.cpp
	rsDefines.h
16 files changed