def remove_listener(self, registration_id):
try:<EOL><INDENT>self.listeners.pop(registration_id)<EOL>return True<EOL><DEDENT>except KeyError:<EOL><INDENT>return False<EOL><DEDENT>
Removes the specified membership listener.

:param registration_id: (str), registration id of the listener to be deleted.
:return: (bool), if the registration is removed, ``false`` otherwise.