ansible: remove Docker from www (#4098)

It's unused since we stopped building the website on that server.

Author: targos

ansible/www-standalone/ansible-playbook.yaml

@@ -12,9 +12,6 @@
     - include_tasks: tasks/user.yaml
       tags: user
 
-    - include_tasks: tasks/docker.yaml
-      tags: docker
-
     - include_tasks: tasks/site-setup.yaml
       tags: setup