Remove unneeded "use" statements.

src/Controller/Component/AuthComponent.php

@@ -15,7 +15,6 @@
 namespace Cake\Controller\Component;
 
 use Cake\Controller\Component;
-use Cake\Controller\ComponentRegistry;
 use Cake\Controller\Controller;
 use Cake\Core\App;
 use Cake\Core\Exception\Exception;

src/Controller/Component/CookieComponent.php

@@ -15,7 +15,6 @@
 namespace Cake\Controller\Component;
 
 use Cake\Controller\Component;
-use Cake\Controller\ComponentRegistry;
 use Cake\I18n\Time;
 use Cake\Network\Request;
 use Cake\Network\Response;

src/Controller/Component/SessionComponent.php

@@ -15,7 +15,6 @@
 namespace Cake\Controller\Component;
 
 use Cake\Controller\Component;
-use Cake\Controller\ComponentRegistry;
 
 /**
  * The CakePHP SessionComponent provides a way to persist client data between

src/Database/Schema/Collection.php

@@ -14,7 +14,6 @@
  */
 namespace Cake\Database\Schema;
 
-use Cake\Cache\Cache;
 use Cake\Database\Connection;
 use Cake\Database\Exception;
 use Cake\Database\Schema\Table;

src/Routing/Filter/AssetFilter.php

@@ -14,7 +14,6 @@
  */
 namespace Cake\Routing\Filter;
 
-use Cake\Core\Configure;
 use Cake\Core\Plugin;
 use Cake\Event\Event;
 use Cake\Network\Request;

src/Shell/Task/SimpleBakeTask.php

@@ -14,9 +14,7 @@
  */
 namespace Cake\Shell\Task;
 
-use Cake\Console\Shell;
 use Cake\Core\Configure;
-use Cake\Core\Plugin;
 use Cake\Shell\Task\BakeTask;
 use Cake\Utility\Inflector;