Revert #1614

as it breaks some existing services

docker/rootfs/etc/nginx/conf.d/include/proxy.conf

@@ -2,8 +2,6 @@ add_header       X-Served-By $host;
 proxy_set_header Host $host;
 proxy_set_header X-Forwarded-Scheme $scheme;
 proxy_set_header X-Forwarded-Proto  $scheme;
-proxy_set_header X-Forwarded-Host   $host;
-proxy_set_header X-Forwarded-Port   $port;
 proxy_set_header X-Forwarded-For    $remote_addr;
 proxy_set_header X-Real-IP          $remote_addr;
 proxy_pass       $forward_scheme://$server:$port$request_uri;