Remove rabbit_queue_type:to_binary/1

As it is covered by rabbit_queue_type:short_alias_of/1

deps/rabbit/src/rabbit_amqp_management.erl

@@ -437,7 +437,13 @@ encode_queue(Q, NumMsgs, NumConsumers) ->
                {{utf8, <<"durable">>}, {boolean, Durable}},
                {{utf8, <<"auto_delete">>}, {boolean, AutoDelete}},
                {{utf8, <<"exclusive">>}, {boolean, Exclusive}},
-               {{utf8, <<"type">>}, {utf8, rabbit_queue_type:to_binary(QType)}},
+               {{utf8, <<"type">>},
+                {utf8, case rabbit_queue_type:short_alias_of(QType) of
+                           undefined ->
+                               atom_to_binary(QType);
+                           ShortName ->
+                               ShortName
+                       end}},
                {{utf8, <<"arguments">>}, QArgs}
               ],
     KVList1 = if is_list(Replicas) ->

deps/rabbit/src/rabbit_queue_type.erl

@@ -20,7 +20,6 @@
          close/1,
          discover/1,
          short_alias_of/1,
-         to_binary/1,
          default/0,
          default_alias/0,
          fallback/0,
@@ -299,7 +298,7 @@ discover(Other) when is_binary(Other) ->
     {ok, Mod} = rabbit_registry:lookup_module(queue, T),
     Mod.
 
--spec short_alias_of(queue_type()) -> binary().
+-spec short_alias_of(queue_type()) -> undefined | binary().
 %% The opposite of discover/1: returns a short alias given a module name
 short_alias_of(<<"rabbit_quorum_queue">>) ->
     <<"quorum">>;
@@ -352,16 +351,6 @@ default() ->
 default_alias() ->
     short_alias_of(default()).
 
--spec to_binary(module()) -> binary().
-to_binary(rabbit_classic_queue) ->
-    <<"classic">>;
-to_binary(rabbit_quorum_queue) ->
-    <<"quorum">>;
-to_binary(rabbit_stream_queue) ->
-    <<"stream">>;
-to_binary(Other) ->
-    atom_to_binary(Other).
-
 %% is a specific queue type implementation enabled
 -spec is_enabled(module()) -> boolean().
 is_enabled(Type) when is_atom(Type) ->