Remove the "Settings" packaged app

ui/app_list/test/app_list_test_view_delegate.h

 // 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.
 
 #ifndef UI_APP_LIST_TEST_APP_LIST_TEST_VIEW_DELEGATE_H_
 #define UI_APP_LIST_TEST_APP_LIST_TEST_VIEW_DELEGATE_H_
 
 #include <stddef.h>
 
 #include <map>
@@ skipping 54 matching lines @@
                         bool auto_launch,
                         int event_flags) override;
   void InvokeSearchResultAction(SearchResult* result,
                                 int action_index,
                                 int event_flags) override {}
   base::TimeDelta GetAutoLaunchTimeout() override;
   void AutoLaunchCanceled() override;
   void ViewInitialized() override {}
   void Dismiss() override;
   void ViewClosing() override {}
-  void OpenSettings() override {}
   void OpenHelp() override {}
   void OpenFeedback() override {}
   void StartSpeechRecognition() override {}
   void StopSpeechRecognition() override;
   void ShowForProfileByPath(const base::FilePath& profile_path) override {}
 #if defined(TOOLKIT_VIEWS)
   views::View* CreateStartPageWebView(const gfx::Size& size) override;
   std::vector<views::View*> CreateCustomPageWebViews(
       const gfx::Size& size) override;
   void CustomLauncherPageAnimationChanged(double progress) override {}
@@ skipping 23 matching lines @@
   SpeechUIModel speech_ui_;
   base::TimeDelta auto_launch_timeout_;
 
   DISALLOW_COPY_AND_ASSIGN(AppListTestViewDelegate);
 };
 
 }  // namespace test
 }  // namespace app_list
 
 #endif  // UI_APP_LIST_TEST_APP_LIST_TEST_VIEW_DELEGATE_H_