z9(group): remove all old ip references and change them to new ones

resources/chaosknoten/www2/nginx/diday.org.conf

@@ -6,7 +6,7 @@ server {
     server_name diday.org;
 
     # use our router as resolver
-    resolver 10.31.208.1;
+    #resolver 10.31.208.1; # is this needed???
 
     # configure the ngx_http_realip_module to set $remote_addr and $remote_port to the
     # information passed through from public-reverse-proxy.hamburg.ccc.de via proxy-protocol