fix: don't remove "VL" from playlist id (#223)

src/Innertube.ts

@@ -220,7 +220,7 @@ class Innertube {
    */
   async getPlaylist(id: string) {
     throwIfMissing({ id });
-    const response = await this.actions.browse(`VL${id.replace(/VL/g, '')}`);
+    const response = await this.actions.browse(`VL${id}`);
     return new Playlist(this.actions, response.data);
   }
 
@@ -252,4 +252,4 @@ class Innertube {
   }
 }
 
-export default Innertube;
+export default Innertube;