Remove 'deferred' option from NGINX configuration

The 'deferred' option has been removed from the listen directives in the NGINX template. This change addresses potential issues tied to the deferred setting for incoming connections, making server responses more immediate and potentially improving performance.

roles/nginx/templates/default.conf.j2

@@ -8,11 +8,11 @@
 # returning 444 "no response".
 
 server {
- listen 80 default_server deferred;
- listen [::]:80 default_server deferred;
+ listen 80 default_server;
+ listen [::]:80 default_server;
 
- listen 443 ssl default_server deferred;
- listen [::]:443 ssl default_server deferred;
+ listen 443 ssl default_server;
+ listen [::]:443 ssl default_server;
 
  ssl_certificate server.crt;
  ssl_certificate_key server.key;