Delete no-op branch in isolate after fix for...

Delete no-op branch in isolate after fix for https://code.google.com/p/swarming/issues/detail?id=63 .

BUG=321878
TBR=maruel@chromium.org

Review URL: https://codereview.chromium.org/140383003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@245458 0039d316-1c4b-4281-b951-d872f2087c98

chrome/gles2_conform_test.isolate

@@ -31,12 +31,5 @@
         ],
       },
     }],
-    # This no-op branch should not be necessary but seems to be.
-    ['(OS=="linux" or OS=="mac" or OS=="win") and internal_gles2_conform_tests==0', {
-      'variables': {
-        'isolate_dependency_tracked': [
-        ],
-      },
-    }],
   ],
 }