Remove GPU-only flag for vertices GM

BUG=skia:1956
R=reed@google.com

Author: jvanverth@google.com

Review URL: https://codereview.chromium.org/129123004

git-svn-id: http://skia.googlecode.com/svn/trunk@12971 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/gm/vertices.cpp b/gm/vertices.cpp
index da7f0b6..644000e 100644
--- a/gm/vertices.cpp
+++ b/gm/vertices.cpp
@@ -110,13 +110,6 @@
         }
     }
 
-#if 1
-    virtual uint32_t onGetFlags() const {
-        // https://code.google.com/p/skia/issues/detail?id=1956
-        return kSkipGPU_Flag;
-    }
-#endif
-
 private:
     typedef skiagm::GM INHERITED;
 };