Update TOC.yml

Author: Juliako

articles/media-services/latest/TOC.yml

@@ -352,7 +352,7 @@
     href: https://aka.ms/ams-v3-rest-sdk
     displayName: schema
   - name: REST
-    href: https://aka.ms/ams-v3-rest-ref 
+    href: https://docs.microsoft.com/rest/api/media/ 
   - name: Azure CLI
     href: https://aka.ms/ams-v3-cli-ref    
   - name: SDKs