message: chore: fix extract_ip_addr comment
diff: @@ -324,7 +324,6 @@ pub fn ip_to_network(ip: IpAddr) -> IpNetwork {
  pub trait MultiaddrExt {
  /// extract IP from multiaddr,
  - /// return None if multiaddr contains no IP phase
  fn extract_ip_addr(&self) -> Result<IpPort, Error>;
  }
  