Removed unnecessary check, now using creates parameter, solves John's 3rd issue on iRODS chat

irods/tasks/irods_config.yml

@@ -5,15 +5,10 @@
     src: templates/irods_setup.json.j2
     dest: /tmp/irods_setup.json
 
-- name: Check that iRODS hasn't been configured before
-  stat:
-    path: /etc/irods/server_config.json
-  register: config
-
 - name: Execute setup_irods.py script
   command: /usr/bin/python setup_irods.py --json_configuration_file=/tmp/irods_setup.json
   args: 
     chdir: /var/lib/irods/scripts
-  when: config.stat.exists == False
+    creates: /etc/irods/server_config.json
 
 ...