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
diff --git a/public.bzl b/public.bzl
index 22753a7..5cfd7d5 100644
--- a/public.bzl
+++ b/public.bzl
@@ -601,7 +601,6 @@
     "SK_SUPPORT_LEGACY_ARITHMETICMODE",
     "SK_SUPPORT_LEGACY_COLORFILTER_PTR",
     "SK_SUPPORT_LEGACY_CREATESHADER_PTR",
-    "SK_SUPPORT_LEGACY_HAIRLINE_END_CAP",
     "SK_SUPPORT_LEGACY_IMAGEFACTORY",
     "SK_SUPPORT_LEGACY_IMAGEFILTER_PTR",
     "SK_SUPPORT_LEGACY_MASKFILTER_PTR",
diff --git a/src/core/SkScan_Hairline.cpp b/src/core/SkScan_Hairline.cpp
index cc57bb6..ce3fe2b 100644
--- a/src/core/SkScan_Hairline.cpp
+++ b/src/core/SkScan_Hairline.cpp
@@ -593,12 +593,10 @@
                 break;
         }
         if (SkPaint::kButt_Cap != capStyle) {
-#if !defined(SK_SUPPORT_LEGACY_HAIRLINE_END_CAP)
             if (prevVerb == SkPath::kMove_Verb &&
                     verb >= SkPath::kLine_Verb && verb <= SkPath::kCubic_Verb) {
                 firstPt = pts[0];  // the curve moved the initial point, so close to it instead
             }
-#endif
             prevVerb = verb;
         }
     }