Remove unnecessary namespaces

src/Praktikum/Prak5/Bestellung.php

@@ -15,9 +15,6 @@ declare(strict_types=1);
  * @author   Ralf Hahn, <ralf.hahn@h-da.de>
  * @version  3.1
  */
-
-use DB_Classes\Article;
-
 require_once './Page.php';
 require_once './DB_Classes/Article.php';
 require_once './navbar.php';

src/Praktikum/Prak5/Fahrer.php

@@ -16,8 +16,6 @@
  */
 
 // to do: change name 'fahrer' throughout this file
-use DB_Classes\Article;
-
 require_once './Page.php';
 require_once './DB_Classes/Ordering.php';
 require_once './DB_Classes/OrderedArticle.php';