remove dovecot-postfix from lucid

[Andy Rabagliati]

On Fri, 16 Apr 2010, Egbert Jan wrote:

> Drop it. It was the first thing I did when i was building a new server. Just
> use the standard configs. Much clearer.

I agree. Not dovecot/postfix related, but the extra dhcpd.conf (in a different
directory!) for the ltsp config is a major source of confusion and time-wasting.

Standard configs only.

Cheers,  Andy!