refactor!: finish parser migration

Finally! :)

This removes all code related to the old parser.

#65

lib/parser/classes/ThumbnailOverlayBottomPanel.js

@@ -0,0 +1,11 @@
+'use strict';
+
+class ThumbnailOverlayBottomPanel {
+  type = 'ThumbnailOverlayBottomPanel';
+
+  constructor(data) {
+    this.type = data.icon.iconType;
+  }
+}
+
+module.exports = ThumbnailOverlayBottomPanel;