Getting rid of all the login startup gumpf in recent versions of Ubuntu server: (see eg. Ubuntu forums Server 10.04: How to Eradicate the MOTD System?)
sudo apt-get purge landscape-common landscape-client sudo chmod -x /etc/update-motd.d/*
You can probably delete 'em just as easily. Put something friendly in
/etc/motd to compensate.
(As a reminder, the other slow login culprit can often be if the server can't resolve the client's hostname, usually fixed on local machines or VMs by adding an entry to