refactor!: finish parser migration

Finally! :)

This removes all code related to the old parser.

#65

lib/parser/classes/GridVideo.js

@@ -0,0 +1,30 @@
+'use strict';
+
+const Parser = require('..');
+const Text = require('./Text');
+const Thumbnail = require('./Thumbnail');
+const NavigationEndpoint = require('./NavigationEndpoint');
+const Author = require('./Author');
+
+class GridVideo {
+  type = 'GridVideo';
+
+  constructor(data) {
+    const length_alt = data.thumbnailOverlays.find((overlay) => overlay.hasOwnProperty('thumbnailOverlayTimeStatusRenderer'))?.thumbnailOverlayTimeStatusRenderer;
+
+    this.id = data.videoId;
+    this.title = new Text(data.title);
+    this.thumbnails = Thumbnail.fromResponse(data.thumbnail);
+    this.thumbnail_overlays = Parser.parse(data.thumbnailOverlays);
+    this.rich_thumbnail = data.richThumbnail && Parser.parse(data.richThumbnail);
+    this.published = new Text(data.publishedTimeText);
+    this.duration = data.lengthText ? new Text(data.lengthText) : length_alt?.text ? new Text(length_alt.text) : '';
+    this.author = data.shortBylineText && new Author(data.shortBylineText, data.ownerBadges);
+    this.views = new Text(data.viewCountText);
+    this.short_view_count = new Text(data.shortViewCountText);
+    this.endpoint = new NavigationEndpoint(data.navigationEndpoint);
+    this.menu = Parser.parse(data.menu);
+  }
+}
+
+module.exports = GridVideo;