Translations:Build Manjaro ISOs with buildiso/49/en

1. unset defaults to given values
2. names must match systemd service names

enable_systemd=('avahi-daemon' 'bluetooth' 'cronie' 'ModemManager' 'NetworkManager' 'org.cups.cupsd' 'tlp' 'tlp-sleep' 'ufw') disable_systemd=('pacman-init')