Revert "refactor docker_engine dependency"

This reverts commit 9d2dd767a2.

molecule/centos7/converge.yml

@@ -1,13 +1,20 @@
 ---
-- name: Converge
+- name: Converge (Stage 1)
   hosts: all
-  environment:
-    PYTHONPATH: /opt/python2/ansible-deps/lib/python2.7/site-packages
   vars:
     dockerengine_packages_extra:
       - epel-release
       - python-pip
       - python-virtualenv
+
+  roles:
+    - role: xoxys.docker_engine
+
+- name: Converge (Stage 2)
+  hosts: all
+  environment:
+    PYTHONPATH: /opt/python2/ansible-deps/lib/python2.7/site-packages
+  vars:
     postgres_repository_enabled: True
     postgres_connection_addresses:
       - "{{ ansible_docker0.ipv4.address }}"
@@ -29,6 +36,5 @@
     bitwardenrs_db_server: "{{ ansible_docker0.ipv4.address }}"
 
   roles:
-    - role: xoxys.docker_engine
     - role: xoxys.postgres
     - role: xoxys.bitwardenrs_docker