Merge branch 'fix-limits-nginx' into 'master'

remove limits in nginx to prevent overlapping with filtron

Closes backlog#768 and backlog#771

See merge request !136

etc/nginx/conf.d/spot.conf

-geo $limit {
-    default 1;
-    5.9.58.49 0;
-}
-
-map $limit $limit_key {
-    0 "";
-    1 $http_x_forwarded_for;
-}
-
-limit_req_zone $limit_key zone=botlimit:10m rate=10r/s;
-
 server {
   listen 80;
   server_name _;
@@ -21,11 +9,9 @@ server {
   root /var/www/spot;
 
   location = / {
-    limit_req zone=botlimit burst=10;
     include /etc/nginx/proxy_spot_params;
   }
   location = /search {
-    limit_req zone=botlimit burst=10;
     include /etc/nginx/proxy_spot_params;
   }
   location / {