It is no longer used.

This was incorrect, since route might no longer be valid at that point.

rolling back:

Wed Nov  5 00:49:19 CET 2008  Juliusz Chroboczek <jch@pps.jussieu.fr>
  * Factor out common code in flushupdates.

    M ./message.c -7 +6

Remove tracking of time, only timeouts remain.

This makes multi-interface nodes less noisy.