Remove SK_IGNORE_SUBPIXEL_HINTING_FIX.

This flag was used to stage this change. All users have now been updated
and there is no known build which defines it. Remove all uses of this
define and the code it guarded.

BUG=skia:6931

Change-Id: I791795af4a8ff761508611cf29c7b065c1b43c82
Reviewed-on: https://skia-review.googlesource.com/65782
Reviewed-by: Ben Wagner <bungeman@google.com>
Commit-Queue: Ben Wagner <bungeman@google.com>
1 file changed