fix: remove unused /health endpoint from index.js

src/index.js

@@ -9,10 +9,6 @@ app.get('/', (req, res) => {
   res.send('Hello, This is LumaKit Backend!');
 });
 
-app.get('/health', (req, res) => {
-  res.status(200).json({ status: 'ok' });
-});
-
 app.get("/stats", async (req, res) => {
   try {
     // Get network interfaces