refactor!: finish parser migration

Finally! :)

This removes all code related to the old parser.

#65

lib/parser/classes/livechat/AddBannerToLiveChatCommand.js

@@ -0,0 +1,11 @@
+'use strict';
+
+const Parser = require('../..');
+
+class AddBannerToLiveChatCommand {
+  constructor(data) {
+    return Parser.parse(data.bannerRenderer);
+  }
+}
+
+module.exports = AddBannerToLiveChatCommand;