refactor!: finish parser migration

Finally! :)

This removes all code related to the old parser.

#65

lib/parser/classes/comments/CommentsEntryPointHeader.js

@@ -0,0 +1,18 @@
+'use strict';
+
+const Text = require('../Text');
+const Thumbnail = require('../Thumbnail');
+
+class CommentsEntryPointHeader {
+  type = 'CommentsEntryPointHeader';
+
+  constructor(data) {
+    this.header = new Text(data.headerText);
+    this.comment_count = new Text(data.commentCount);
+    this.teaser_avatar = Thumbnail.fromResponse(data.teaserAvatar || data.simpleboxAvatar);
+    this.teaser_content = new Text(data.teaserContent);
+    this.simplebox_placeholder = new Text(data.simpleboxPlaceholder);
+  }
+}
+
+module.exports = CommentsEntryPointHeader;