Revert of scale xmin/xmax etc in fontmetrics (patchset #1 id:1 of https://codereview.chromium.org/690533004/)

Reason for revert:
Breaking tests in Chromium, and not in a good way.

Original issue's description:
> scale xmin/xmax etc in fontmetrics
>
> BUG=skia:
>
> Committed: https://skia.googlesource.com/skia/+/f8c2feffd68b3262f3c039ec1bd517c5f6cc9e4c

TBR=reed@chromium.org
NOTREECHECKS=true
NOTRY=true
BUG=skia:

Review URL: https://codereview.chromium.org/686263002
1 file changed