remove redundant rect methods

Bug: skia:9328
Change-Id: Idc20e125a4a4725c88e291b49e33cc56805836ae
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/235832
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Mike Reed <reed@google.com>
Auto-Submit: Mike Reed <reed@google.com>
8 files changed