nmbd does not start without smbd (fwd)

[Andrew Tridgell]

> > I would recommend that an option be added to smbpasswd to generate the SID
> > and that this runs as part of 'make install'.  If no SID exists then smbd
> > and nmbd should fail to start.
> 
> ah.  that sounds like a good idea to me.

no, I don't think we want that. It just makes the whole system more
fragile.

I think we remove the dependence on the SID from nmbd. It's
unnecessary, as I explain in another email.