support fully deleting the node in its entirety (only) - where
        specification must be None

def delete(self, where=None, start=None, stop=None, **kwargs):
        """
        support fully deleting the node in its entirety (only) - where
        specification must be None
        """
        if com._all_none(where, start, stop):
            self._handle.remove_node(self.group, recursive=True)
            return None

        raise TypeError("cannot delete on an abstract storer")