Fix Firebase config

config.js

@@ -1,11 +1,4 @@
-// Import the functions you need from the SDKs you need
-import { initializeApp } from "firebase/app";
-import { getAnalytics } from "firebase/analytics";
-// TODO: Add SDKs for Firebase products that you want to use
-// https://firebase.google.com/docs/web/setup#available-libraries
-
 // Your web app's Firebase configuration
-// For Firebase JS SDK v7.20.0 and later, measurementId is optional
 const firebaseConfig = {
   apiKey: "AIzaSyDNk5EGWDPBr8MkUFNdfvhP1NvnDxWERq8",
   authDomain: "science-bowl-practice-8800a.firebaseapp.com",
@@ -17,6 +10,6 @@ const firebaseConfig = {
   measurementId: "G-4TD0W788X5"
 };
 
-// Initialize Firebase
-const app = initializeApp(firebaseConfig);
-const analytics = getAnalytics(app);
+// Initialize Firebase (using compat version)
+firebase.initializeApp(firebaseConfig);
+const database = firebase.database();