rm outdated nginx docs

doc/nginx/proxy

@@ -1,68 +0,0 @@
-# Forward all traffic to a new server
-
-limit_req_zone $binary_remote_addr zone=nodos:32m rate=4r/s;
-limit_req_status 429;
-
-server {
-  listen       80;
-  server_name  www.lichess.org ~^www\.\w\w\.lichess\.org$;
-  return       301 http://lichess.org$request_uri;
-}
-
-# serve static files
-server {
-  listen 80;
-  server_name lichess1.org;
-
-  # forward all to anand
-  location / {
-    proxy_pass http://149.202.92.196:80/;
-    proxy_set_header X-Real-IP $remote_addr;
-    proxy_set_header Host $host;
-    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
-  }
-}
-
-# websocket
-server {
-  listen 80;
-  server_name ~^socket\.\w\w\.lichess\.org$;
-
-  error_log /var/log/nginx/lichess.socket.error.log;
-
-  limit_req zone=nodos burst=10 nodelay;
-
-  # forward all to anand
-  location / {
-    proxy_pass http://149.202.92.196:80/;
-    proxy_http_version 1.1;
-    proxy_set_header Upgrade $http_upgrade;
-    proxy_set_header Connection "upgrade";
-    proxy_set_header X-Real-IP $remote_addr;
-    proxy_set_header Host $host;
-    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
-  }
-}
-
-# http
-server {
-  listen 80;
-  server_name lichess.org ~^\w\w\.lichess\.org$;
-
-  error_log /var/log/nginx/lichess.error.log;
-
-  limit_req zone=nodos burst=10 nodelay;
-
-  # forward all to anand
-  location / {
-    proxy_pass http://149.202.92.196:80/;
-    proxy_set_header X-Real-IP $remote_addr;
-    proxy_set_header Host $host;
-    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
-  }
-}
-
-server {
-  listen       80 default_server;
-  return       301 http://lichess.org$request_uri;
-}