chore: drop dead commented out code

apps/emqx/test/emqx_cth_cluster.erl

@@ -255,7 +255,6 @@ get_cluster_seeds(#{core_nodes := CoreNodes}) ->
 start_node_init(Spec = #{name := Node}) ->
     Node = start_bare_node(Node, Spec),
     pong = net_adm:ping(Node),
-    % ok = set_work_dir(Node, Opts),
     % Preserve node spec right on the remote node
     ok = set_node_opts(Node, Spec),
     % Make it possible to call `ct:pal` and friends (if running under rebar3)
@@ -274,9 +273,6 @@ run_node_phase_apps(Spec = #{name := Node}) ->
     ok = start_apps(Node, Spec),
     ok.
 
-% set_work_dir(Node, #{work_dir := WorkDir}) ->
-%     erpc:call(Node, file, set_cwd, [WorkDir]).
-
 set_node_opts(Node, Spec) ->
     erpc:call(Node, persistent_term, put, [{?MODULE, opts}, Spec]).
 

apps/emqx/test/emqx_cth_suite.erl

@@ -207,7 +207,6 @@ maybe_configure_app(_App, #{}) ->
 
 configure_app(SchemaModule, Config) ->
     ok = emqx_config:init_load(SchemaModule, render_config(Config)),
-    % ?PAL(?LOW_IMPORTANCE, "Configured ~p roots: ~p", [SchemaModule, config_roots(SchemaModule)]),
     ok.
 
 maybe_override_env(App, #{override_env := Env = [{_, _} | _]}) ->
@@ -359,9 +358,6 @@ clean_suite_state() ->
 
 %%
 
-% config_roots(SchemaMod) ->
-%     [emqx_config:get_root([binary_to_atom(Root)]) || Root <- hocon_schema:root_names(SchemaMod)].
-
 app_schema(App) ->
     Mod = list_to_atom(atom_to_list(App) ++ "_schema"),
     try is_list(Mod:roots()) of