Removes a list from the site.

def remove(self, list):
        """
        Removes a list from the site.
        """
        xml = SP.DeleteList(SP.listName(list.id))
        self.opener.post_soap(LIST_WEBSERVICE, xml,
                              soapaction='http://schemas.microsoft.com/sharepoint/soap/DeleteList')
        self.all_lists.remove(list)