nginx: remove socket.io redirect

nginx/nginx/templates/docs.conf.template

@@ -43,17 +43,6 @@ server {
 		proxy_set_header X-Forwarded-Proto $scheme;
 	}
 
-	# websocket traffic with extra headers for upgrading the connection
-        location /socket.io/ {
-                proxy_pass http://host.docker.internal:3000;
-                proxy_set_header Host $host; 
-                proxy_set_header X-Real-IP $remote_addr; 
-                proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; 
-                proxy_set_header X-Forwarded-Proto $scheme;
-                proxy_set_header Upgrade $http_upgrade;
-                proxy_set_header Connection $connection_upgrade;
-        }
-
 	listen 443 ssl;
 	ssl_certificate /etc/letsencrypt/live/${DOMAIN_NAME}/fullchain.pem;
 	ssl_certificate_key /etc/letsencrypt/live/${DOMAIN_NAME}/privkey.pem;