Revert "speed up A8 by creating a new entry-point in SkDraw that blits the path's coverage directly into an A8 target, regardless of the previous pixel values."

This reverts commit d615e839b71f75df895de6850b774a9e1c28ad2a.

Revert "must initialize SkDraw.fClip"

This reverts commit 108e46d29b5f57927fc8b8c403bb52019d8cb16d.

BUG=

Review URL: https://codereview.chromium.org/57883006

git-svn-id: http://skia.googlecode.com/svn/trunk/gyp@12122 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/bench.gypi b/bench.gypi
index 7659c76..32902b4 100644
--- a/bench.gypi
+++ b/bench.gypi
@@ -18,7 +18,6 @@
     '../bench/ChromeBench.cpp',
     '../bench/CmapBench.cpp',
     '../bench/ColorFilterBench.cpp',
-    '../bench/CoverageBench.cpp',
     '../bench/DashBench.cpp',
     '../bench/DecodeBench.cpp',
     '../bench/DeferredCanvasBench.cpp',