Revert of Add SK_SUPPORT_LEGACY_HAIRLINE_END_CAP to work around dependent test failure. (patchset #1 id:1 of https://codereview.chromium.org/2379843002/ )

Reason for revert:
Dependent test has been fixed.

Original issue's description:
> Add SK_SUPPORT_LEGACY_HAIRLINE_END_CAP to work around dependent test failure.
>
> BUG=skia:
> GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2379843002
>
> Committed: https://skia.googlesource.com/skia/+/aa6ef3ebc60e0f70db0e599f4cd34d5be06486c9

TBR=caryclark@google.com
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=skia:

Review-Url: https://codereview.chromium.org/2379993004
2 files changed