Verwijder dubbele Socket.IO-definitie

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

app.js

@@ -10,12 +10,6 @@ const socketHandlers = require("./sockets/handlers");
 const app = createApp();
 
 const server = http.createServer(app);
-const io = new Server(server);
-
-io.use((socket, next) => session(socket.request, {}, next));
-socketHandlers(io);
-app.locals.io = io;
-
 const io = new Server(server, {
     cors: {
         origin: "*",