Tweaking BelongsToMany namespaces

Author: jenssegers

src/Jenssegers/Mongodb/Relations/BelongsToMany.php

@@ -1,8 +1,7 @@
 <?php namespace Jenssegers\Mongodb\Relations;
 
 use Illuminate\Database\Eloquent\Collection;
-use Illuminate\Database\Eloquent\Builder;
-use Illuminate\Database\Eloquent\Model;
+use Jenssegers\Mongodb\Model;
 use Illuminate\Database\Eloquent\Relations\BelongsToMany as EloquentBelongsToMany;
 
 class BelongsToMany extends EloquentBelongsToMany {