WIP: yank out more unused cruft

src/machi_flu1.erl

@@ -325,9 +325,7 @@ do_pb_ll_request(PB_request, S) ->
             {RqID, CMD} ->
                 EpochID = element(2, CMD),      % by common convention
                 {Rs, NewS} = do_pb_ll_request2(EpochID, CMD, S),
-                {RqID, CMD, Rs, NewS};
-            nope ->
-                {foo, bar, baz}
+                {RqID, CMD, Rs, NewS}
         end,
     {machi_pb_translate:to_pb_response(ReqID, Cmd, Result), S2}.
 

src/machi_flu1_client.erl

@@ -373,7 +373,7 @@ echo(Sock, String) when is_list(String) ->
 %% @doc Get all epoch numbers from the FLU's projection store.
 
 -spec echo(machi_dt:inet_host(), machi_dt:inet_port(), string()) ->
-      {ok, [non_neg_integer()]} | {error, term()}.
+      string() | {error, term()}.
 echo(Host, TcpPort, String) when is_list(String) ->
     Sock = connect(#p_srvr{proto_mod=?MODULE, address=Host, port=TcpPort}),
     try