Revert of Sk4x_sse.h (patchset #18 id:330001 of https://codereview.chromium.org/698873003/)

Reason for revert:
Failing bots.

Original issue's description:
> Sk4x_sse.h
>
>
> BUG=skia:
>
> Committed: https://skia.googlesource.com/skia/+/e4bf793120d3bfc9b003d11880a3fb73ff2b89e9

TBR=reed@google.com,mtklein@chromium.org
NOTREECHECKS=true
NOTRY=true
BUG=skia:

Review URL: https://codereview.chromium.org/719143002
2 files changed