remove experimental unsecure echo service

Author: noogen

files/etc/nginx/sites-enabled/server.conf

@@ -76,21 +76,6 @@ server {
         return 200 "OK";
     }
 
-    location ~* ^/echo {
-        default_type                 text/plain;
-        set $mybody $arg_body;
-
-        if ($http_x_echo_body) {
-            set $mybody $http_x_echo_body;
-        }
-        
-        if ($arg_callback) {
-            return 200 '$arg_callback($mybody);';
-        }
-        
-        return 200 $mybody;
-    }
-
     location ~* ^/rx/([^\/]+)/(.*) {
         set $myargs                  "$1";
         set $protocol                "http";