Revert "messy logout fixing"

This reverts commit 4fb3a144d7.

frontend/src/App.tsx

@@ -10,9 +10,6 @@ import GlobalErrorDisplay from "./components/common/GlobalErrorDisplay";
 import LoadingStateMonitor from "./components/common/LoadingStateMonitor";
 import { useAuthStore } from "./store/authStore";
 
-// Import monitoring services
-import './services/tokenExpiryMonitor'; // Auto-starts monitoring on import
-
 // Auth pages - loaded immediately (needed for login)
 import SignIn from "./pages/AuthPages/SignIn";
 import SignUp from "./pages/AuthPages/SignUp";