SkNx basically always is fast now.

We had this SKNX_IS_FAST hanging around from before Chrome always built with NEON.

CQ_INCLUDE_TRYBOTS=skia.primary:Test-Ubuntu-GCC-GCE-CPU-AVX2-x86_64-Release-SKNX_NO_SIMD

Change-Id: Ia5cc0323b3ef052192e2903f961aee11eb3f82d8
Reviewed-on: https://skia-review.googlesource.com/5946
Commit-Queue: Mike Klein <mtklein@chromium.org>
Reviewed-by: Mike Reed <reed@google.com>
Reviewed-by: Florin Malita <fmalita@chromium.org>
4 files changed