chore(modules): remove start emqx-ee load_modules

apps/emqx_machine/src/emqx_machine.erl

@@ -40,9 +40,6 @@ start() ->
     ok = set_backtrace_depth(),
     ok = print_otp_version_warning(),
 
-    %% need to load some app envs
-    %% TODO delete it once emqx boot does not depend on modules envs
-    _ = load_modules(),
     ok = load_config_files(),
 
     ok = ensure_apps_started(),
@@ -80,14 +77,6 @@ print_vsn() ->
     ?ULOG("~s ~s is running now!~n", [emqx_app:get_description(), emqx_app:get_release()]).
 -endif. % TEST
 
--ifndef(EMQX_ENTERPRISE).
-load_modules() ->
-    application:load(emqx_modules).
--else.
-load_modules() ->
-    ok.
--endif.
-
 load_config_files() ->
     %% the app env 'config_files' for 'emqx` app should be set
     %% in app.time.config by boot script before starting Erlang VM
@@ -155,9 +144,7 @@ reboot_apps() ->
     , emqx_data_bridge
     , emqx_bridge_mqtt
     , emqx_plugin_libs
-    , emqx_config_helper
     , emqx_management
-    , emqx_release_helper
     , emqx_retainer
     , emqx_exhook
     , emqx_rule_actions