Style: format code by gofumpt (#761)

transport/internet/quic/hub.go

@@ -97,7 +97,6 @@ func Listen(ctx context.Context, address net.Address, port net.Port, streamSetti
 		IP:   address.IP(),
 		Port: int(port),
 	}, streamSettings.SocketSettings)
-
 	if err != nil {
 		return nil, err
 	}