删除错误代码

backend/kylin-system-updater

@@ -17,8 +17,6 @@ gettext.bindtextdomain('kylin-system-updater', '/usr/share/locale')
 gettext.textdomain('kylin-system-updater')
 _ = gettext.gettext
 
-import time
-from SystemUpdater.Core.utils import (unLockedEnableShutdown,LockedPreventShutdown)
 #定义日志的格式 
 FORMAT = '%(asctime)-15s %(levelname)s:%(message)s'
 
@@ -78,7 +76,4 @@ if __name__ == "__main__":
   if app.configs.getWithDefault("SystemStatus", "isabnormalreboot", False) == True:
     app.start_update()
 
-  LockedPreventShutdown()
-  time.sleep(10)
-  unLockedEnableShutdown()
   app.run()