fix(cli): remove PORT env from express server (#766)

Author: AmanVarshney01

apps/cli/templates/backend/server/express/src/index.ts.hbs

@@ -116,7 +116,6 @@ app.get("/", (_req, res) => {
 	res.status(200).send("OK");
 });
 
-const port = env.PORT;
-app.listen(port, () => {
-	console.log(`Server is running on port ${port}`);
+app.listen(3000, () => {
+	console.log("Server is running on http://localhost:3000");
 });