Revert of Default SK_ANGLE to true on Windows, run angle whenever possible on bots. (patchset #3 id:40001 of https://codereview.chromium.org/946933006/)

Reason for revert:
Needs bot upgrades.

Original issue's description:
> Default SK_ANGLE to true on Windows, run angle whenever possible on bots.
>
> nanobench doesn't need an update.  It uses the default for --config,
> which includes angle.
>
> BUG=skia:
>
> Committed: https://skia.googlesource.com/skia/+/88ec329b580a081d9d56cbcaad0ee46cb941c849

TBR=bsalomon@google.com,mtklein@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=skia:

Review URL: https://codereview.chromium.org/954243002
3 files changed