Remove GrSharedEnums.h

Change-Id: I3f2e927001da10652b2965687e31aa8452c9dfc6
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/425997
Commit-Queue: Brian Osman <brianosman@google.com>
Auto-Submit: Brian Osman <brianosman@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
Reviewed-by: John Stiles <johnstiles@google.com>
9 files changed