Removed code that was used as test fix for a letsencrypt issue.

Till Brehm

2016-05-27 008ef889530b3e24ca533229e5c3dabe38e81227

 install/tpl/nginx_ispconfig.vhost.master

@@ -1,11 +1,4 @@
server {
   location ~ /\.well-known/acme-challenge/ {
      root /usr/local/ispconfig/interface/acme/;
      index index.html index.htm;
      try_files $uri =404;
   }
}
server {
        listen {vhost_port};
        listen [::]:{vhost_port} ipv6only=on;
      ssl {ssl_on};