runstate: drop unused runstate_store()

The function is unused since previous commit. Drop it.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Message-Id: <20230517123752.21615-4-vsementsov@yandex-team.ru>
Signed-off-by: Juan Quintela <quintela@redhat.com>

include/sysemu/runstate.h

@@ -9,7 +9,6 @@ void runstate_set(RunState new_state);
 RunState runstate_get(void);
 bool runstate_is_running(void);
 bool runstate_needs_reset(void);
-bool runstate_store(char *str, size_t size);
 
 typedef void VMChangeStateHandler(void *opaque, bool running, RunState state);
 

softmmu/runstate.c

@@ -175,18 +175,6 @@ bool runstate_check(RunState state)
     return current_run_state == state;
 }
 
-bool runstate_store(char *str, size_t size)
-{
-    const char *state = RunState_str(current_run_state);
-    size_t len = strlen(state) + 1;
-
-    if (len > size) {
-        return false;
-    }
-    memcpy(str, state, len);
-    return true;
-}
-
 static void runstate_init(void)
 {
     const RunStateTransition *p;