test: remove unused import in Facebook integration tests

packages/core/test/facebook-integration.test.ts

@@ -1,5 +1,5 @@
 import { afterEach, beforeEach, describe, expect, mock, test } from "bun:test";
-import fetchFacebookItems, { fetchFacebookItem } from "../src/scrapers/facebook";
+import { fetchFacebookItems } from "../src/scrapers/facebook";
 
 // Mock fetch globally
 const originalFetch = global.fetch;