Bug#573252: partman-target: stray /cdrom link useless these days

[Frans Pop <elendil@planet.nl>]

On Thursday 11 March 2010, you wrote:
> On Thursday 11 March 2010, Frans Pop wrote:
> > No, we no longer bind mount /target/cdrom. We used to bind mount it
> > permanently, but that was changed with the reintroduction of multi-cd
> > support. Instead we always leave it up to apt-cdrom to mount/umount
> > the CD as (and only as long as) needed.
>
> Oh, wait. We do still bind mount it for hd-media installs.

Gah, and for CD installs, but only during base-installer.

So indeed, my changes were rather hasty and incomplete. Looking for a 
proper solution.