Clear out CONFIG_VP8 and CONFIG_VP9

build/make/Android.mk

build/make/rtcd.pl

test/blockiness_test.cc

test/consistency_test.cc

test/datarate_test.cc

test/decode_api_test.cc

test/encode_test_driver.cc

test/postproc.sh

test/register_state_check.h

test/test-data.mk

test/test-data.sha1

test/test.mk

test/test.mk.bk

test/test_libvpx.cc

test/test_vector_test.cc

test/test_vectors.cc

test/test_vectors.h

test/tools_common.sh