iso: Fix services & zsh removal

iso/create

@@ -31,11 +31,11 @@ bind-tools
 EOF
 echo 'iso_publisher="Vladimír Štill <archiso@vstill.eu>"' >> archlive/profiledef.sh
 
-cat >> archlive/airootfs/root/customize_airootfs.sh <<EOF
-systemctl enable dhcpcd.service
-systemctl enable sshd.service
-EOF
-sed -i '/\/usr\/bin\/zsh/d' archlive/airootfs/root/customize_airootfs.sh
+mkdir -p archlive/airootfs/etc/systemd/system/multi-user.target.wants
+for s in sshd dhcpcd; do
+    ls -s /usr/lib/systemd/system/$s.service archlive/airootfs/etc/systemd/system/multi-user.target.wants
+done
+sed -i 's/zsh/bash/' archlive/airootfs/etc/passwd
 
 mkdir archlive/airootfs/root/.ssh
 cat > archlive/airootfs/root/.ssh/authorized_keys <<EOF