clean up legacy flags

Never needed to use them.

Change-Id: I871e262386365c4fbb4de519277fa84d313387c9
Reviewed-on: https://skia-review.googlesource.com/152460
Reviewed-by: Brian Osman <brianosman@google.com>
Commit-Queue: Mike Klein <mtklein@google.com>
1 file changed