Remove Administration bundle from core modules.

- This is no longer used and goes against the general design of the application.

core/modules/Administration/AdministrationBundle.php

@@ -1,12 +0,0 @@
-<?php
-
-namespace SuiteCRM\Core\Modules\Administration;
-
-use Symfony\Component\HttpKernel\Bundle\Bundle;
-/**
- * Class Administration
- * @package SuiteCRM\Core\Modules\Administration
- */
-class AdministrationBundle extends Bundle
-{
-}