Remove GM support from Java portions of SkQP.

We no longer intend to run visual GMs from SkQP.

Bug: skia:13031
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/520546
Commit-Queue: John Stiles <johnstiles@google.com>
Auto-Submit: John Stiles <johnstiles@google.com>
Reviewed-by: Leon Scroggins <scroggo@google.com>
Commit-Queue: Leon Scroggins <scroggo@google.com>
Change-Id: I31d29c8c684aadd58290cf7af8763fef0d335ab3
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/523176
Reviewed-by: John Stiles <johnstiles@google.com>
6 files changed