remove SkPictureUtils.h

BUG=skia:

Change-Id: Iab6e71f347fa34baf442e38ba7773058695f3e6d
Reviewed-on: https://skia-review.googlesource.com/9348
Commit-Queue: Mike Reed <reed@google.com>
Reviewed-by: Mike Klein <mtklein@chromium.org>
Reviewed-by: Florin Malita <fmalita@chromium.org>
7 files changed