Revert of Hairline batch (patchset #17 id:360001 of https://codereview.chromium.org/876673002/)

Reason for revert:
still a performance regression

Original issue's description:
> Hairline batch
>
> BUG=skia:
>
> Committed: https://skia.googlesource.com/skia/+/6eff8701f027016fbb3147412ec2292dcec2b7f5
>
> Committed: https://skia.googlesource.com/skia/+/658d55cd6121c67488aaf5d0832c9712737f26a5

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

Review URL: https://codereview.chromium.org/882883003
7 files changed