Remove the "Settings" packaged app

ui/app_list/app_list_menu.cc

 // 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.
 
 #include "ui/app_list/app_list_menu.h"
 
 #include <stddef.h>
 
 #include "build/build_config.h"
 #include "ui/app_list/app_list_view_delegate.h"
@@ skipping 32 matching lines @@
       if (users_[i].active) {
         ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
         menu_model_.SetIcon(menu_index, gfx::Image(*rb.GetImageSkiaNamed(
             IDR_APP_LIST_USER_INDICATOR)));
       }
 #endif
     }
     menu_model_.AddSeparator(ui::NORMAL_SEPARATOR);
   }
 
-  menu_model_.AddItem(SHOW_SETTINGS, l10n_util::GetStringUTF16(
-      IDS_APP_LIST_OPEN_SETTINGS));
-
   menu_model_.AddItem(SHOW_HELP, l10n_util::GetStringUTF16(
       IDS_APP_LIST_HELP));
 
   menu_model_.AddItem(SHOW_FEEDBACK, l10n_util::GetStringUTF16(
       IDS_APP_LIST_OPEN_FEEDBACK));
 }
 
 bool AppListMenu::IsCommandIdChecked(int command_id) const {
 #if defined(OS_MACOSX)
   DCHECK_LT(static_cast<unsigned>(command_id) - SELECT_PROFILE, users_.size());
@@ skipping 12 matching lines @@
   return false;
 }
 
 void AppListMenu::ExecuteCommand(int command_id, int event_flags) {
   if (command_id >= SELECT_PROFILE) {
     delegate_->ShowForProfileByPath(
         users_[command_id - SELECT_PROFILE].profile_path);
     return;
   }
   switch (command_id) {
-    case SHOW_SETTINGS:
-      delegate_->OpenSettings();
-      break;
     case SHOW_HELP:
       delegate_->OpenHelp();
       break;
     case SHOW_FEEDBACK:
       delegate_->OpenFeedback();
       break;
     default:
       NOTREACHED();
   }
 }
 
 }  // namespace app_list