remove the localhost.conf from nginx for sure

tasks/config.yml

@@ -13,6 +13,11 @@
     dest: /etc/nginx/sites-available/jitsi
   notify: reload nginx
   tags: site,conf
+- name: make sure that localhost.conf is missing
+  file:
+    state: absent
+    path: /etc/nginx/sites-enabled/localhost.conf
+  notify: reload nginx
 - name: link site
   file:
     state: link