Don't log passwords

plays/postdelete/lib/database.yml

@@ -1,5 +1,6 @@
 ---
 - name: Remove database(s)
+  no_log: true
   shell: "dokku {{ item.type }}:destroy {{ dokku.app }} --force"
   args:
     removes: "/var/lib/dokku/services/{{ item.type }}/{{ dokku.app }}"

plays/predeploy/lib/database.yml

@@ -20,6 +20,7 @@
   when: db is defined
 
 - name: "Link {{ item.type }} database to application"
+  no_log: true
   dokku_service_link:
     app: "{{ dokku.app }}"
     name: "{{ dokku.app }}"