Remove SK_IGNORE_GASP_VERSION_CHECK.

All users have now been updated and this define is no longer used.

Change-Id: Ib701b6e31f7c0958eed3d97e033b334e09fa9bb0
Reviewed-on: https://skia-review.googlesource.com/14365
Reviewed-by: Ben Wagner <bungeman@google.com>
Commit-Queue: Ben Wagner <bungeman@google.com>
1 file changed