refactor!: finish parser migration

Finally! :)

This removes all code related to the old parser.

#65

lib/parser/classes/ChannelThumbnailWithLink.js

@@ -0,0 +1,16 @@
+'use strict';
+
+const Thumbnail = require('./Thumbnail');
+const NavigationEndpoint = require('./NavigationEndpoint');
+
+class ChannelThumbnailWithLink {
+  type = 'ChannelThumbnailWithLink';
+
+  constructor(data) {
+    this.thumbnails = Thumbnail.fromResponse(data.thumbnail);
+    this.endpoint = new NavigationEndpoint(data.navigationEndpoint);
+    this.label = data.accessibility.accessibilityData.label;
+  }
+}
+
+module.exports = ChannelThumbnailWithLink;