1- Click on “Playlists” in the left vertical menu. This will load all of your playlists and also the public playlists.
2- Click on the playlist that you want to edit, under “Your Playlists”. This will load the Playlists detail page as below.
3- Click on “Edit’ button in the right, above the Playlist thumbnail list. This will load the Playlist Edit page.
4- On the Playlist edit page, click “Delete” button in the bottom to delete the playlist. It will prompt you to confirm if you still need to delete, click “Yes” to continue. This will remove the playlist and take you back to the Playlist home page.