removed useless export of autologout storage key

Signed-off-by: Manuel Scurti <manuel.scurti@agilelab.it>

packages/core-components/src/components/AutoLogoutProvider/index.ts

@@ -15,6 +15,3 @@
  */
 export * from './AutoLogoutProvider';
 export * from './ConfigBasedAutoLogoutProvider';
-
-/** @internal */
-export { LAST_SEEN_ONLINE_STORAGE_KEY } from './disconnectedUsers';

packages/core-components/src/layout/SignInPage/providers.tsx

@@ -31,7 +31,7 @@ import { commonProvider } from './commonProvider';
 import { guestProvider } from './guestProvider';
 import { customProvider } from './customProvider';
 import { IdentityApiSignOutProxy } from './IdentityApiSignOutProxy';
-import { LAST_SEEN_ONLINE_STORAGE_KEY } from '../../components';
+import { LAST_SEEN_ONLINE_STORAGE_KEY } from '../../components/AutoLogoutProvider/disconnectedUsers';
 
 const PROVIDER_STORAGE_KEY = '@backstage/core:SignInPage:provider';