remove g3 flag

Bug: skia:
Change-Id: Ibe44bb816118e6bc61530c4b8d4ba83f24f72f0f
NOTRY=True
Reviewed-on: https://skia-review.googlesource.com/11322
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Mike Reed <reed@google.com>
1 file changed