Deletes this NIO.

def delete(self):
        """
        Deletes this NIO.
        """

        if self._input_filter or self._output_filter:
            yield from self.unbind_filter("both")
        yield from self._hypervisor.send("nio delete {}".format(self._name))
        log.info("NIO {name} has been deleted".format(name=self._name))