chore: always init_load config wiht defaults populated

this effectively eliminates the need for raw_with_default
because it's now always set to true everywhere.
will remove it in a followup.

apps/emqx/test/emqx_common_test_helpers.erl

@@ -489,7 +489,7 @@ load_config(SchemaModule, Config, Opts) ->
     ok.
 
 load_config(SchemaModule, Config) ->
-    load_config(SchemaModule, Config, #{raw_with_default => false}).
+    load_config(SchemaModule, Config, #{raw_with_default => true}).
 
 -spec is_all_tcp_servers_available(Servers) -> Result when
     Servers :: [{Host, Port}],

apps/emqx/test/emqx_logger_SUITE.erl

@@ -22,7 +22,6 @@
 -include_lib("eunit/include/eunit.hrl").
 
 -define(LOGGER, emqx_logger).
--define(a, "a").
 -define(SUPPORTED_LEVELS, [emergency, alert, critical, error, warning, notice, info, debug]).
 
 all() -> emqx_common_test_helpers:all(?MODULE).

apps/emqx_conf/src/emqx_conf_app.erl

@@ -88,15 +88,8 @@ sync_data_from_node() ->
 %% Internal functions
 %% ------------------------------------------------------------------------------
 
--ifdef(TEST).
-init_load() ->
-    emqx_config:init_load(emqx_conf:schema_module(), #{raw_with_default => false}).
-
--else.
-
 init_load() ->
     emqx_config:init_load(emqx_conf:schema_module(), #{raw_with_default => true}).
--endif.
 
 init_conf() ->
     %% Workaround for https://github.com/emqx/mria/issues/94: