Fix docker image

Systemd was broken in our docker images because we were removing iptables-libs. Also took advantage of the change to clean up some other things that weren't working.

c8-base-docker.ks

@@ -47,25 +47,20 @@ yum
 %end
 
 %post --log=/root/ks-post.log
-# randomize root password and lock root account
-dd if=/dev/urandom count=50 | md5sum | passwd --stdin root
-passwd -l root
-
-# create necessary devices
-/sbin/MAKEDEV /dev/console
-
 rpm --import /etc/pki/rpm-gpg/RPM-GPG-KEY-centosofficial
-rpm --import /etc/pki/rpm-gpg/RPM-GPG-KEY-cern
-rpm --import /etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-8
+rpm --import /etc/pki/rpm-gpg/RPM-GPG-KEY-centostesting
 rpm --import /etc/pki/rpm-gpg/RPM-GPG-KEY-kojiv2
 
 # some packages get installed even though we ask for them not to be,
 # and they don't have any external dependencies that should make
 # anaconda install them
-TOREMOVE="kernel kernel-core kernel-modules bind-export-libs dhcp-libs dhcp-client dhcp-common dhcp-libs dracut-network e2fsprogs e2fsprogs-libs iptables-ebtables iptables-libs ethtool file firewalld freetype gettext gettext-libs grub2-tools-minimal grub2-tools-extra grub2-pc grub2-common grub2-pc-modules grub2-tools grubby iproute kexec-tools libcroco libgomp libmnl lzo os-prober python3-decorator python3-slip python3-slip-dbus snappy which linux-firmware"
+TOREMOVE="bind-export-libs dhcp-libs dhcp-client dhcp-common dracut-network ethtool file freetype gettext gettext-libs grub2-tools-minimal grub2-tools-extra grub2-common grub2-tools grubby iproute kexec-tools libcroco libgomp libmnl lzo os-prober snappy which"
 
 for remove in $TOREMOVE; do echo -n "removing $remove: "; rpm -e --nodeps $remove; done
 
+LANG="en_US"
+echo "%_install_langs $LANG" > /etc/rpm/macros.image-language-conf
+
 rm -rf /etc/firewalld
 rm -rf /boot
 rm -f /etc/udev/hwdb.bin
@@ -75,8 +70,6 @@ rm -rf /var/lib/dnf/history.*
 
 #delete a few systemd things
 rm -rf /etc/machine-id
-rm -rf /usr/lib/systemd/system/multi-user.target.wants/getty.target
-rm -rf /usr/lib/systemd/system/multi-user.target.wants/systemd-logind.service
 
 # Add tsflags to keep yum from installing docs