device table dev: drop old CDROMs

Drop old custom CDROM devices from the device table, these are x86-only
and really really old so it would be amazing these would be in working
order.
And they haven't been supported in linux for while.

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>