Additional cleanup following partial FHC removal

Author: lhoguin

deps/rabbit/src/rabbit_amqqueue.erl

@@ -73,7 +73,6 @@
 
 %% internal
 -export([internal_declare/2, internal_delete/2, run_backing_queue/3,
-         set_maximum_since_use/2,
          emit_consumers_local/3, internal_delete/3]).
 
 -include_lib("rabbit_common/include/rabbit.hrl").
@@ -1819,11 +1818,6 @@ forget_node_for_queue(Q) ->
 run_backing_queue(QPid, Mod, Fun) ->
     gen_server2:cast(QPid, {run_backing_queue, Mod, Fun}).
 
--spec set_maximum_since_use(pid(), non_neg_integer()) -> 'ok'.
-
-set_maximum_since_use(QPid, Age) ->
-    gen_server2:cast(QPid, {set_maximum_since_use, Age}).
-
 -spec is_replicated(amqqueue:amqqueue()) -> boolean().
 
 is_replicated(Q) when ?amqqueue_is_classic(Q) ->

deps/rabbit/src/rabbit_msg_store.erl

@@ -800,7 +800,6 @@ prioritise_call(Msg, _From, _Len, _State) ->
 prioritise_cast(Msg, _Len, _State) ->
     case Msg of
         {compacted_file, _File}       -> 8;
-        {set_maximum_since_use, _Age} -> 8;
         {client_dying, _Pid}          -> 7;
         _                             -> 0
     end.