chore(emqx_vm): delete unused function get_process_group_leader_info

apps/emqx/src/emqx_vm.erl

@@ -33,7 +33,6 @@
         , process_gc_info_keys/0
         , get_process_gc_info/0
         , get_process_gc_info/1
-        , get_process_group_leader_info/1
         , get_process_limit/0
         ]).
 
@@ -316,9 +315,6 @@ get_process_gc_info() ->
 get_process_gc_info(Pid) when is_pid(Pid) ->
     process_info(Pid, ?PROCESS_GC_KEYS).
 
-get_process_group_leader_info(LeaderPid) when is_pid(LeaderPid) ->
-    [{Key, Value}|| {Key, Value} <- process_info(LeaderPid), lists:member(Key, ?PROCESS_INFO_KEYS)].
-
 get_process_limit() ->
     erlang:system_info(process_limit).
 

apps/emqx/test/emqx_vm_SUITE.erl

@@ -73,9 +73,6 @@ t_get_memory(_Config) ->
 t_schedulers(_Config) ->
     emqx_vm:schedulers().
 
-t_get_process_group_leader_info(_Config) ->
-    emqx_vm:get_process_group_leader_info(self()).
-
 t_get_process_limit(_Config) ->
     emqx_vm:get_process_limit().