Disable sending headers on http

Signed-off-by: Tommy <contact@tommytran.io>

etc/nginx/conf.d/default.conf

@@ -4,7 +4,10 @@ server {
 
     include snippets/universal_paths.conf;
 
+    # Don't send headers
+    add_header "" "";
+
     location / {
         return 308 https://$host$request_uri;
     }
-}
+}