Revert of Implement support for non-scale/translate CTM in image filters. (patchset #4 id:60001 of https://codereview.chromium.org/1140943004/)

Reason for revert:
matriximagefilter needs to antialias its draw, so we get smooth diagonals...

Original issue's description:
> Implement support for non-scale/translate CTM in image filters.
>
> Clone with tweaks of https://codereview.chromium.org/986623003/
>
> pre-cl to guard chrome here: https://codereview.chromium.org/1133403003/
>
> BUG=skia:3288
>
> Committed: https://skia.googlesource.com/skia/+/35786b176c159d2e7a816e9da9b051ef3129d5cb

TBR=robertphillips@google.com,senorblanco@google.com,senorblanco@chromium.org,reed@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=skia:3288

Review URL: https://codereview.chromium.org/1139173002
2 files changed