Remove unused import

Signed-off-by: Harvmaster <hzuccon@gmail.com>

src/app.ts

@@ -1,6 +1,6 @@
 import { HTTPService } from './services/http-router.js';
 import { InvitationsRoute } from './routes/invitations.js';
-import { StorageSQLite, StoreSQLite } from './services/invitation-store.js';
+import { StorageSQLite } from './services/invitation-store.js';
 import { SSEBroadcaster } from './services/sse-broadcast.js';
 
 import type { InvitationSchema } from './utils/invitation-parser.js';