Revert of enable new gradients + suppress gms for now (patchset #1 id:1 of https://codereview.chromium.org/807513004/)

Reason for revert:
crashy

Original issue's description:
> enable new gradients + suppress gms for now
>
> BUG=skia:
> TBR=
> NOTRY=True
>
> Committed: https://skia.googlesource.com/skia/+/8142a57fa1bf582b66efde276cd43d40c525bc16

TBR=
NOTREECHECKS=true
NOTRY=true
BUG=skia:

Review URL: https://codereview.chromium.org/814963002
2 files changed