【优化】在代码中移除 rt_system_object_init/rt_system_tick_init 的调用。

bsp/nrf5x/libraries/templates/nrf52x/applications/startup.c

@@ -48,12 +48,6 @@ void rtthread_startup(void)
     /* show version */
     rt_show_version();
 
-    /* init tick */
-    rt_system_tick_init();
-
-    /* init kernel object */
-    rt_system_object_init();
-
     /* init timer system */
     rt_system_timer_init();