Removed inclusion of docker everywhere

It is now included in the common role itself, which is applied to all.

roles/keystone/tasks/main.yml

@@ -1,7 +1,5 @@
 # Build and install a docker image for keystone.
 ---
-- include: ../common/tasks/docker.yml
-
 - name: Make build and persistent directories
   file:
     path: "{{ item }}"

roles/keystone/templates/keystone.service

@@ -9,7 +9,7 @@ Restart=always
 ExecStartPre=-/usr/bin/docker stop %n
 ExecStartPre=-/usr/bin/docker rm %n
 ExecStart=/usr/bin/docker run --name %n \
-  --add-host=mariadb:{{ hostvars[groups['databases'][0]]['ansible_default_ipv4']['address'] }} \
+  --add-host=mariadb:172.23.41.2 \
   -p 5000:5000 -p 35357:35357 \
   -v /srv/keystone/fernet-keys:/etc/keystone/fernet-keys \
   hpc/keystone