[ezpublish legacy] include assigned nodes into the removethis process (

#1406)

* requirement
** node id is used as parameter
** used node id is the main one
* context : known context is the unpublish feature

kernel/classes/ezcontentobject.php

@@ -1986,7 +1986,7 @@ function removeThis( $nodeID = null )
                 {
                     $db = eZDB::instance();
                     $db->begin();
-                    foreach ( $additionalNodes as $additionalNode )
+                    foreach ( $nodes as $additionalNode )
                     {
                         if ( $additionalNode->attribute( 'node_id' ) != $node->attribute( 'main_node_id' ) )
                         {