Remove obsolete login.preinst
The transitional behaviour was complete before oldoldstable and is no longer relevant. Moving this snippet will eventually enable us to remove the preinst for login completely (when the /etc/securetty removal is complete). This will both reduce the total number of maintscripts and also enable us to simplify deployment DPKG_ROOT (the InstallBootstrap spec).
Signed-off-by: Niels Thykier niels@thykier.net