E-mail addresses are used for lost login information only.
You can delete your E-mail address by changing it to firstname.lastname@example.org from your recipes page (You do not have to Verify it, It will overwrite your E-mail address when you change it - You must be logged in).
You can remove your username by changing it to somthing else from your recipes page (You must be logged in).
The Cookies Used by ecigvape.com Do Not Collect any Information From Your P.C. Except Your Time Zone, They are to Identify you as logged in and to make the pages work correctly. Your Time Zone is used to set the E-Liquid Recipe Dates.