Fix nginx config

files/limesurvey.conf

@@ -4,7 +4,7 @@ server {
     set $host_path "/var/www/html";
 
     location / {
-        try_files $uri $uri/ /index.php?r=$uri&$args;
+        try_files $uri $uri/ /index.php?$args;
     }
 
     #Disallow reading inside php script directory, see issue with debug > 1 on note