Refactor code structure and remove redundant changes

src-old/hooks/useNovuNotifications.ts

@@ -0,0 +1,17 @@
+import { useAuth } from '@/hooks/useAuth';
+import { usePublicNovuSettings } from '@/hooks/usePublicNovuSettings';
+
+export function useNovuNotifications() {
+  const { user } = useAuth();
+  const { applicationIdentifier, isLoading } = usePublicNovuSettings();
+
+  const subscriberId = user?.id;
+  const isEnabled = !!applicationIdentifier && !!subscriberId;
+
+  return {
+    applicationIdentifier,
+    subscriberId,
+    isEnabled,
+    isLoading,
+  };
+}