clean up dead x86 filter opts code
authormtklein <mtklein@chromium.org>
Tue, 5 Jan 2016 15:12:50 +0000 (07:12 -0800)
committerCommit bot <commit-bot@chromium.org>
Tue, 5 Jan 2016 15:12:50 +0000 (07:12 -0800)
commite56c626a441b62880df201009aa3c8afec9587a8
treee1cf8c0a3e87fcd78158d3dd1f0415a3e27d6f67
parentcd50bcae10c823aa8b9970c88b6e74bdea7bc124
clean up dead x86 filter opts code

This is dead after removing shadeSpan16().

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1553233004
CQ_EXTRA_TRYBOTS=client.skia:Test-Ubuntu-GCC-GCE-CPU-AVX2-x86_64-Release-SKNX_NO_SIMD-Trybot

Review URL: https://codereview.chromium.org/1553233004
src/core/SkBitmapProcState.h
src/opts/SkBitmapProcState_opts_SSE2.cpp
src/opts/SkBitmapProcState_opts_SSE2.h
src/opts/SkBitmapProcState_opts_SSSE3.cpp
src/opts/SkBitmapProcState_opts_SSSE3.h