Remove unused target

which should've been removed in https://codereview.chromium.org/23536051

BUG=none
NOTRY=true

Review URL: https://codereview.chromium.org/83423003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@236906 0039d316-1c4b-4281-b951-d872f2087c98

chrome/chrome_tests.gypi

@@ -61,23 +61,6 @@
     'js_unittest_vars.gypi',
   ],
   'targets': [
-    {
-      'target_name': 'test_support_ui_runner',
-      'type': 'static_library',
-      'dependencies': [
-        'test_support_common',
-        '../testing/gtest.gyp:gtest',
-      ],
-      'export_dependent_settings': [
-        'test_support_common',
-      ],
-      'include_dirs': [
-        '..',
-      ],
-      'sources': [
-        'test/ui/run_all_unittests.cc',
-      ],
-    },
     {
       'target_name': 'test_support_ui',
       'type': 'static_library',