Update reference to old draft in README to RFC8016

Fixes #1177

README.md

@@ -67,8 +67,8 @@ TURN specs:
   * [RFC 6156](https://datatracker.ietf.org/doc/html/rfc6156) - IPv6 extension for TURN
   * [RFC 7443](https://datatracker.ietf.org/doc/html/rfc7443) - ALPN support for STUN & TURN
   * [RFC 7635](https://datatracker.ietf.org/doc/html/rfc7635) - oAuth third-party TURN/STUN authorization
+  * [RFC 8016](https://datatracker.ietf.org/doc/html/rfc8016) - Mobility with Traversal Using Relays around NAT (TURN)
   * DTLS support (http://tools.ietf.org/html/draft-petithuguenin-tram-turn-dtls-00)
-  * Mobile ICE (MICE) support (http://tools.ietf.org/html/draft-wing-tram-turn-mobility-02)
   * TURN REST API (http://tools.ietf.org/html/draft-uberti-behave-turn-rest-00)
   * Origin field in TURN (Multi-tenant TURN Server) (https://tools.ietf.org/html/draft-ietf-tram-stun-origin-06)
   * TURN Bandwidth draft specs (http://tools.ietf.org/html/draft-thomson-tram-turn-bandwidth-01)