How to Remove Facebook Timeline Completely :
1. Open Your firefox
2. Install user agent switcher add-on in it. { I would prefer you to read this post first}
3. Once it is installed restart your browser.
4. Navigate to Tools >> Default User Agent >> Internet Explorer >> Internet Explorer 7.0.
5. Now login to your Facebook Account and open your Profile page.Now it will open in the older layout but you may get additional white spaces in it . To remove these spaces just install FB Purity Extension in your browser.
6. Refresh and time line is removed.