Remove decorator:route/2.

deps/rabbitmq_federation/src/rabbit_federation_exchange.erl

@@ -28,7 +28,7 @@
 
 -behaviour(rabbit_exchange_decorator).
 
--export([description/0, serialise_events/1, route/2]).
+-export([description/0, serialise_events/1]).
 -export([create/2, delete/3, add_binding/3, remove_bindings/3,
          policy_changed/3]).
 
@@ -40,9 +40,6 @@ description() ->
 
 serialise_events(X) -> federate(X).
 
-%% TODO we should remove this, right?
-route(_X, _Delivery) -> ok.
-
 create(transaction, _X) ->
     ok;
 create(none, X) ->