Remove obsolete code

Author: BurntimeX

wcfsetup/install/files/lib/acp/form/LanguageAddForm.class.php

@@ -19,8 +19,6 @@
 /**
  * Shows the language add form.
  *
- * @property    LanguageAction  $objectAction
- *
  * @author  Florian Gail, Marcel Werk
  * @copyright   2001-2023 WoltLab GmbH
  * @license GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>

wcfsetup/install/files/lib/acp/form/LanguageEditForm.class.php

@@ -10,8 +10,6 @@
 /**
  * Shows the language edit form.
  *
- * @property    Language    $formObject
- *
  * @author  Florian Gail
  * @copyright   2001-2023 WoltLab GmbH
  * @license GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>

wcfsetup/install/files/lib/acp/form/MenuItemAddForm.class.php

@@ -23,7 +23,6 @@
 use wcf\system\form\builder\field\SingleSelectionFormField;
 use wcf\system\form\builder\field\TextFormField;
 use wcf\system\form\builder\field\TitleFormField;
-use wcf\system\form\builder\field\UrlFormField;
 use wcf\system\form\builder\field\validation\FormFieldValidationError;
 use wcf\system\form\builder\field\validation\FormFieldValidator;
 use wcf\system\form\builder\IFormDocument;

wcfsetup/install/files/lib/acp/form/UserAddForm.class.php

@@ -16,7 +16,6 @@
 use wcf\system\html\input\HtmlInputProcessor;
 use wcf\system\language\LanguageFactory;
 use wcf\system\message\embedded\object\MessageEmbeddedObjectManager;
-use wcf\system\option\user\UserOptionHandler;
 use wcf\system\request\LinkHandler;
 use wcf\system\WCF;
 use wcf\util\ArrayUtil;