You can delete the files through your cPanel File manager. See the following link on this.
Deleting files from your cPanel File Manager
You can create a redirect in your File manager to go to that url. Please see the following on how to do that
How to Redirect a Domain in your cPanel
|Email:||support@WebHostingHub.com||Ticket:||Submit a Support Ticket|
|Chat:||Click To Chat Now|