Merge "Remove useless g_common.h"

vp8/common/arm/arm_systemdependent.c

vp8/common/g_common.h

vp8/common/generic/systemdependent.c

vp8/common/ppc/systemdependent.c

vp8/common/x86/x86_systemdependent.c

vp8/decoder/onyxd_if.c

vp8/encoder/encodeintra.c

vp8/encoder/onyx_if.c

vp8/encoder/pickinter.c

vp8/encoder/rdopt.c

vp8/encoder/temporal_filter.c

vp8/vp8_common.mk