revert back to working code

index.html

@@ -9,7 +9,6 @@
     <link rel="preconnect" href="https://fonts.googleapis.com">
     <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
     <link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap" rel="stylesheet">
-    <link rel="manifest" href="/manifest.json">
     <style>
         body { font-family: 'Inter', sans-serif; }
         .hidden { display: none; }
@@ -290,18 +289,5 @@
         signOutBtn.addEventListener('click', () => handleSignOut());
         updateUI();
     </script>
-    <script>
-    if ('serviceWorker' in navigator) {
-        window.addEventListener('load', () => {
-            navigator.serviceWorker.register('/sw.js')
-                .then(registration => {
-                    console.log('Service Worker registered successfully:', registration);
-                })
-                .catch(error => {
-                    console.log('Service Worker registration failed:', error);
-                });
-        });
-    }
-</script>
 </body>
 </html>