Remove unneeded abandon/release check in GrGpuResource message processing.

Change-Id: Ib11405be82e8ff7fd1edcaca2f19c44cce2abbd9
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/257889
Reviewed-by: Robert Phillips <robertphillips@google.com>
Commit-Queue: Greg Daniel <egdaniel@google.com>
2 files changed