Revert of Add MultiPictureDraw to nanobench (patchset #7 id:120001 of https://codereview.chromium.org/731973005/)

Reason for revert:
Needs more work

Original issue's description:
> Add MultiPictureDraw to nanobench
>
> I would like some guard against performance regressions on our side before turning layer hoisting on in Chromium.
>
> TBR=bsalomon@google.com
>
> Committed: https://skia.googlesource.com/skia/+/0ddad31012dabfc1267effc8071d37f7d606efbe

TBR=mtklein@google.com,bsalomon@google.com
NOTREECHECKS=true
NOTRY=true

Review URL: https://codereview.chromium.org/750583002
8 files changed