Revert "Add integer relational ops to sksl_public."

This reverts commit b47698194913a5fc89d4dcf6dc958311a241c215.

Reason for revert: https://logs.chromium.org/logs/skia/507fb79e5cf79811/+/steps/dm/0/stdout

Original change's description:
> Add integer relational ops to sksl_public.
>
> These aren't implemented yet in the software rasterizer, but work
> properly on GPU and serve as a good end-to-end test for skia:10999.
>
> Change-Id: I1dac66cd5762ebde828e819c1b6890016599672e
> Reviewed-on: https://skia-review.googlesource.com/c/skia/+/344036
> Auto-Submit: John Stiles <johnstiles@google.com>
> Commit-Queue: Ethan Nicholas <ethannicholas@google.com>
> Reviewed-by: Ethan Nicholas <ethannicholas@google.com>

TBR=brianosman@google.com,ethannicholas@google.com,johnstiles@google.com

Change-Id: Ic9ace24c3f0ea764b2720bffa50792a136d452ef
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/344558
Reviewed-by: Ethan Nicholas <ethannicholas@google.com>
Commit-Queue: Ethan Nicholas <ethannicholas@google.com>
3 files changed