Remove a service from the collection.

def remove_service(self, zconf, typ, name):
        """ Remove a service from the collection. """
        _LOGGER.debug("remove_service %s, %s", typ, name)
        service = self.services.pop(name, None)

        if not service:
            _LOGGER.debug("remove_service unknown %s, %s", typ, name)
            return

        if self.remove_callback:
            self.remove_callback(name, service)