Fix compile fail

src/emqttd_ctl.erl

@@ -71,11 +71,6 @@ run(["help"]) -> usage(), ok;
 run(["set" | _] = CmdS) ->
     emqttd_cli_config:run(["config" | CmdS]), ok;
 
-run(["showall"] = CmdS) ->
-    Cfgs = ets:tab2list(clique_config),
-    ?USAGE(),
-    ok;
-
 run(["show" | _] = CmdS) ->
     emqttd_cli_config:run(["config" | CmdS]), ok;