def delete_threat_list(self, threat_list):
        """Delete threat list entry."""
        log.info('Deleting cached threat list "{}"'.format(repr(threat_list)))
        q = '''DELETE FROM threat_list
                    WHERE threat_type=? AND platform_type=? AND threat_entry_type=?
        '''
        params = [threat_list.threat_type, threat_list.platform_type, threat_list.threat_entry_type]
        with self.get_cursor() as dbc:
            dbc.execute(q, params)
Delete threat list entry.