core: no need to use unlink_noerrno()

src/core/service.c

@@ -1448,7 +1448,7 @@ static void service_enter_dead(Service *s, ServiceResult f, bool allow_restart)
          * out-of-date, and some software might be confused by it, so
          * let's remove it. */
         if (s->pid_file)
-                unlink_noerrno(s->pid_file);
+                (void) unlink(s->pid_file);
 
         return;