Revert "Migrate caps-bit lookup code from IRGenerator to Setting."

This reverts commit c5ab6fe38814b861710e87dd206ac30a1094165e.

Reason for revert: Chrome roll,
https://logs.chromium.org/logs/chromium/buildbucket/cr-buildbucket.appspot.com/8854325862539635248/+/steps/check_static_initializers__with_patch_/0/stdout

Original change's description:
> Migrate caps-bit lookup code from IRGenerator to Setting.
>
> This CL moves existing code from point A to point B; the logic should be
> the same as before.
>
> Change-Id: I90c39588531a34f74c4b1802a7c692c08ddc4f16
> Bug: skia:11365
> Reviewed-on: https://skia-review.googlesource.com/c/skia/+/375075
> Commit-Queue: John Stiles <johnstiles@google.com>
> Auto-Submit: John Stiles <johnstiles@google.com>
> Reviewed-by: Brian Osman <brianosman@google.com>

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

Change-Id: I272eaf6ca55c75527538732c1582a26d243572b5
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: skia:11365
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/375676
Reviewed-by: Mike Klein <mtklein@google.com>
Commit-Queue: Mike Klein <mtklein@google.com>
4 files changed