Revert "Initialize ip(6)tables "raw" table"

This reverts commit e97d4dcfd2.

The fix was released as part of the iptables package shipped with
RHEL/CentOS 8.1

Change-Id: I13c9a92937e9c7b90bd77c2a3d1b66c05ba5018c
Related: https://bugzilla.redhat.com/show_bug.cgi?id=1673609

deployment/tripleo-firewall/tripleo-firewall-baremetal-ansible.yaml

@@ -74,55 +74,6 @@ outputs:
               debug:
                 msg: |
                   CIDRs found in the ctlplane network tags.
-      deploy_steps_tasks:
-        - when:
-            - (step|int) == 0
-          block:
-            - name: create iptables service
-              copy:
-                dest: /etc/systemd/system/tripleo-iptables.service
-                content: |
-                  [Unit]
-                  Description=Initialize iptables
-                  Before=iptables.service
-                  AssertPathExists=/etc/sysconfig/iptables
-
-                  [Service]
-                  Type=oneshot
-                  ExecStart=/usr/sbin/iptables -t raw -nL
-                  Environment=BOOTUP=serial
-                  Environment=CONSOLETYPE=serial
-                  StandardOutput=syslog
-                  StandardError=syslog
-                  [Install]
-                  WantedBy=basic.target
-            - name: create ip6tables service
-              copy:
-                dest: /etc/systemd/system/tripleo-ip6tables.service
-                content: |
-                  [Unit]
-                  Description=Initialize ip6tables
-                  Before=ip6tables.service
-                  AssertPathExists=/etc/sysconfig/ip6tables
-
-                  [Service]
-                  Type=oneshot
-                  ExecStart=/usr/sbin/ip6tables -t raw -nL
-                  Environment=BOOTUP=serial
-                  Environment=CONSOLETYPE=serial
-                  StandardOutput=syslog
-                  StandardError=syslog
-                  [Install]
-                  WantedBy=basic.target
-            - name: enable tripleo-iptables service (and do a daemon-reload systemd)
-              systemd:
-                daemon_reload: yes
-                enabled: yes
-                name: tripleo-iptables.service
-            - name: enable tripleo-ip6tables service
-              systemd:
-                enabled: yes
-                name: tripleo-ip6tables.service
       upgrade_tasks:
         - when:
             - (step | int) == 3