[configs/releng] Replace rc.d/archiso with initscripts hooks.

In this way:
* Prepare locales requested by boot param mostly early possible.
* Setup special console at end of rc.sysinit

Remove unneded include from automated_script (already included by rc.conf)

Signed-off-by: Gerardo Exequiel Pozzi <vmlinuz386@yahoo.com.ar>

configs/releng/root-image/etc/rc.d/functions.d/automated_script

@@ -1,5 +1,3 @@
-. /etc/archiso/functions
-
 automated_script ()
 {
     script="$(kernel_cmdline script)"