remove unneeded flag SK_SUPPORT_LEGACY_RECTMAKELARGEST

Bug: skia:
Change-Id: I42ada9845f4cefd4029c0420d64508decc8eef7a
Reviewed-on: https://skia-review.googlesource.com/c/161147
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Mike Reed <reed@google.com>
1 file changed