remove legacy code for resolution

Bug: skia:
Change-Id: I6909325d4ee51140ec0edb47682de18617c23cc7
Reviewed-on: https://skia-review.googlesource.com/70100
Commit-Queue: Mike Reed <reed@google.com>
Reviewed-by: Florin Malita <fmalita@chromium.org>
4 files changed