onMatchFaceStyle is unused, so remove it

Change-Id: I2b249d226af1c222edea6ec5f8de0b4d2542e34a
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/401676
Auto-Submit: Mike Reed <reed@google.com>
Reviewed-by: Julia Lavrova <jlavrova@google.com>
Commit-Queue: Mike Reed <reed@google.com>
17 files changed