These weren't used and added complexity to the dependency graph.
Change-Id: I7e97d73d520b7123e534485d7840538d6b468c48
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/512145
Commit-Queue: John Stiles <johnstiles@google.com>
Auto-Submit: John Stiles <johnstiles@google.com>
Reviewed-by: Kevin Lubick <kjlubick@google.com>
Commit-Queue: Kevin Lubick <kjlubick@google.com>