Remove SkOpts_avx and _ssse3 completely

All clients are updated to not build these any longer

Bug: b/40045066
Change-Id: Id1349adf1ba5456972f17209d419689c32eaffbc
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/744056
Commit-Queue: Brian Osman <brianosman@google.com>
Reviewed-by: Kevin Lubick <kjlubick@google.com>
7 files changed