AMD has dropped the CrossFire brand, and will no longer use it to refer to their multi-GPU products. The functionality that it provided still remains, and AMD has made a statement explaining why they are no longer using the name and what will happen with DirectX 12 going forwards.
https://www.notebookcheck.net/AMD-Crossfire-says-so-long-and-thanks-for-all-the-fish.250936.0.html