Remove legacy flag: GrContextOptions::fDisallowGLSLBinaryCaching

Subsumed by fShaderCacheStrategy, clients have switched over.

Change-Id: I70b6ade4ccab2f48f2ef9437ae65c78cf458cfe4
Bug: skia:9402
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/239928
Commit-Queue: Brian Salomon <bsalomon@google.com>
Auto-Submit: Brian Osman <brianosman@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
2 files changed