Remove include/ requires that are now done directly from Composer

src/Model/Group.php

@@ -12,10 +12,6 @@ use Friendica\Core\Renderer;
 use Friendica\Database\DBA;
 use Friendica\Util\Security;
 
-require_once 'boot.php';
-require_once 'include/dba.php';
-require_once 'include/text.php';
-
 /**
  * @brief functions for interacting with the group database table
  */