Remove the "Settings" packaged app

chrome/chrome_tests.gypi

 # Copyright 2013 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 {
   'variables': {
     'build_angle_deqp_tests%': 0,
     'chrome_browser_extensions_test_support_sources': [
       # A list of sources which is shared between different browser tests.
       'browser/apps/app_browsertest_util.cc',
       'browser/apps/app_browsertest_util.h',
@@ skipping 963 matching lines @@
       'browser/ui/webui/options/font_settings_browsertest.js',
       'browser/ui/webui/options/language_options_browsertest.js',
       'browser/ui/webui/options/language_options_dictionary_download_browsertest.js',
       'browser/ui/webui/options/manage_profile_browsertest.js',
       'browser/ui/webui/options/multilanguage_options_webui_browsertest.js',
       'browser/ui/webui/options/options_browsertest.js',
       'browser/ui/webui/options/options_browsertest_base.js',
       'browser/ui/webui/options/password_manager_browsertest.js',
       'browser/ui/webui/options/profile_settings_reset_browsertest.js',
       'browser/ui/webui/options/search_engine_manager_browsertest.js',
-      'browser/ui/webui/options/settings_app_browsertest.js',
       'browser/ui/webui/options/settings_format_browsertest.js',
       'browser/ui/webui/options/startup_page_list_browsertest.js',
       'browser/ui/webui/sync_internals_browsertest.js',
       'browser/ui/webui/sync_setup_browsertest.js',
       'test/data/chromeos/oobe_webui_browsertest.js',
       'test/data/webui/about_invalidations_browsertest.js',
       'test/data/webui/accessibility_audit_browsertest.js',
       'test/data/webui/assertions.js',
       'test/data/webui/async_gen.js',
       'test/data/webui/certificate_viewer_dialog_test.js',
@@ skipping 2595 matching lines @@
             'browser',
           ],
           'sources': [
             'tools/service_discovery_sniffer/service_discovery_sniffer.cc',
             'tools/service_discovery_sniffer/service_discovery_sniffer.h',
           ],
         }]
     }],
   ],  # 'conditions'
 }