Remove unused pixel ops caps from GrGLCaps.

Change-Id: Ic568a6774175741ca4765288ecd90c07471200db
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/406996
Commit-Queue: Brian Salomon <bsalomon@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
Auto-Submit: Brian Salomon <bsalomon@google.com>
Reviewed-by: Robert Phillips <robertphillips@google.com>
2 files changed