Apply TODOs related to older OTP versions

Author: jacekwegr

src/instrument/mongoose_instrument_probe.erl

@@ -12,8 +12,7 @@
                         mongoose_instrument:probe_config()) -> timer:tref().
 start_probe_timer(EventName, Labels, #{module := Module} = ProbeConfig) ->
     Interval = timer:seconds(get_probe_interval(ProbeConfig)),
-    %% TODO: when dropping support for OTP25, consider changing this to apply_repeatedly
-    {ok, TRef} = timer:apply_interval(Interval, ?MODULE, call, [Module, EventName, Labels]),
+    {ok, TRef} = timer:apply_repeatedly(Interval, ?MODULE, call, [Module, EventName, Labels]),
     TRef.
 
 call(ProbeMod, EventName, Labels) ->

test/common/mongoose_helper.erl

@@ -489,8 +489,7 @@ change_config_option(Config, Option, NewValue) ->
 
 restore_config(Config) ->
     Options = get_config_backup(Config),
-    %% TODO replace with maps:foreach when dropping OTP 23
-    maps:map(fun do_restore_config_option/2, Options),
+    maps:foreach(fun do_restore_config_option/2, Options),
     ok.
 
 restore_config_option(Config, Option) ->