注册 useCapture为true的事件，用off移除不了监听

Creator 2.x
#1

监听 this.node.on(cc.Node.EventType.TOUCH_END, this.onTouchNode, this, true)
移除 this.node.off(cc.Node.EventType.TOUCH_END, this.onTouchNode, this, true)
事件还是会触发