remove message column in users table

src/Domain/User/User.php

@@ -72,13 +72,6 @@ class User implements JsonSerializable
      */
     private $joinDate;
 
-    /**
-     * @var string
-     * @ORM\ManyToMany(targetEntity="App\Domain\Message\Message")
-     * @ORM\OrderBy({"username" = "ASC"})
-     */
-    private $messages;
-
     /**
      * @ORM\OneToMany(targetEntity="App\Domain\Group\Group", mappedBy="users")
      */