Taskotron: Drop postgresql from buildmaster play

roles/taskotron/buildmaster/tasks/main.yml

@@ -63,14 +63,7 @@
   notify:
     - reload httpd
 
-- name: ensure postgresql service is running
-  systemd:
-    name: postgresql
-    state: started
-    enabled: true
-
 - name: ensure buildmaster database is created
-  when: buildmaster_db_host != 'localhost'
   delegate_to: "{{ buildmaster_db_host }}"
   become: true
   become_user: postgres