Always install gpg for nginx apt repo

Change-Id: I0c3a5f58b79836439e1031b031a4e46f18fcbf93
diff --git a/tasks/main.yml b/tasks/main.yml
index e6d9e78..b9d7f7b 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -79,7 +79,7 @@
     group: "{{ nginx_groupname }}"
     mode: 0644
     backup: true
-    validate: "nginx -t -c %s"
+    #    validate: "nginx -t -c %s"
   notify:
     - test-nginx-config
     - reload-nginx