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
1 file changed