精简弹幕，删除礼物广告，只想安安静静看直播。

虎牙直播精简
https://greasyfork.org/zh-CN/scripts/431427-%E8%99%8E%E7%89%99%E7%9B%B4%E6%92%AD%E7%B2%BE%E7%AE%80
哔哩哔哩精简
https://greasyfork.org/zh-CN/scripts/431153-%E5%93%94%E5%93%A9%E5%93%94%E5%93%A9%E7%B2%BE%E7%AE%80