Update nginx.conf

Author: Nilanth

nginx.conf

@@ -1,8 +1,3 @@
-server {
-add_header X-Frame-Options "SAMEORIGIN";
-add_header X-XSS-Protection "1; mode=block";
-add_header X-Content-Type-Options "nosniff";
-
 location / {
     # try to serve file directly, fallback to rewrite
     try_files $uri @rewriteapp;
@@ -17,5 +12,4 @@ location ~ ^/index\.php(/|$) {
     try_files @heroku-fcgi @heroku-fcgi;
     # ensure that /index.php isn't accessible directly, but only through a rewrite
     internal;
-    }
 }