refactor: remove dead code

server/routes/codex.js

@@ -1,20 +0,0 @@
-import express from 'express';
-
-import { deleteCodexSession } from '../projects.js';
-import { sessionsDb } from '../modules/database/index.js';
-
-const router = express.Router();
-
-router.delete('/sessions/:sessionId', async (req, res) => {
-  try {
-    const { sessionId } = req.params;
-    await deleteCodexSession(sessionId);
-    sessionsDb.deleteSessionById(sessionId);
-    res.json({ success: true });
-  } catch (error) {
-    console.error(`Error deleting Codex session ${req.params.sessionId}:`, error);
-    res.status(500).json({ success: false, error: error.message });
-  }
-});
-
-export default router;