remove flag to see if its used in g3

Bug: skia:
Change-Id: Iba1d27e50644b334cb64cfe3667e32352860c909
NOTRY=True
Reviewed-on: https://skia-review.googlesource.com/11144
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Mike Reed <reed@google.com>
1 file changed