Revert 73825 - Add new target for building qa-related targets on the qa waterfall.

BUG=none
TEST=none

Review URL: http://codereview.chromium.org/6246110

TBR=nirnimesh@chromium.org
Review URL: http://codereview.chromium.org/6410086

git-svn-id: http://src.chromium.org/svn/trunk/src/build@73826 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

all.gyp

@@ -217,15 +217,7 @@
         '../chrome/chrome.gyp:gpu_tests',
         '../third_party/WebKit/Source/WebKit/chromium/WebKit.gyp:DumpRenderTree',
       ],
-    }, # target_name: chromium_gpu_builder
-    {
-      'target_name': 'chromium_builder_qa',
-      'type': 'none',
-      'dependencies': [
-        '../chrome/chrome.gyp:pyautolib',
-        '../chrome/chrome.gyp:chromedriver',
-      ],
-    }, # target_name: chromium_builder_qa
+    }
   ],
   'conditions': [
     ['OS=="mac"', {