Revert of Ship image-rendering: pixelated to stable. (patchset #1 id:1 of https://codereview.chromium.org/396063007/)

Reason for revert:
The bug affecting canvases also affects images that become compositor layers. Unshipping until it's fixed.

Original issue's description:
> Ship image-rendering: pixelated to stable.
> 
> This also adds the value to DevTools.
> 
> Intent to Ship:
> https://groups.google.com/a/chromium.org/forum/#!topic/blink-dev/zSasd2LL8Mc
> 
> BUG=317991,106662,260739,134040
> 
> Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=178653

TBR=vsevik@chromium.org,eseidel@chromium.org,timloh@chromium.org
NOTREECHECKS=true
NOTRY=true
BUG=317991,106662,260739,134040

Review URL: https://codereview.chromium.org/604683003

git-svn-id: svn://svn.chromium.org/blink/trunk@182649 bbb929c8-8fbe-4397-9dbb-9b2b20218538