string id, Cancellable? cancellable) throws Error
        string id, Cancellable? cancellable) throws Error
        Remove an item directly under this container that has the ID @id.
The caller should not first remove the file(s) pointed to by the item's URI(s). That is handled by the container class.
This method corresponds to the UPnP ContentDirectory's DestroyObject action.
| id | The ID of the item to remove from this container | 
| cancellable | optional cancellable for this operation | 
| nothing. |