Update audius.yml

Author: rickyrombo

providers/audius.yml

@@ -8,5 +8,6 @@
     example_urls:
     - https://audius.co/oembed?url=https%3A%2F%2Faudius.co%2FSkrillex%2Fkliptown-empyrean-98562
     discovery: true
-    notes: Provider only supports the 'rich' type and JSON format
+    formats:
+    - json
 ...