remove def of flag -- rely on clients to do that

Bug: skia:
Change-Id: I0e187484317c85f1ed913f277df33822c1690d8b
Reviewed-on: https://skia-review.googlesource.com/c/171360
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Mike Reed <reed@google.com>
1 file changed