Remove user-email-address customization

This allows my local vars gnus-alias customization to work properly

init.el

  '(uniquify-buffer-name-style (quote forward) nil (uniquify))
  '(use-package-always-ensure t)
  '(user-full-name "Lily Carpenter")
- '(user-mail-address "azra-emacs@azrazalea.net")
+ '(user-mail-address "")
  '(vc-annotate-background nil)
  '(vc-annotate-background-mode nil)
  '(vc-annotate-color-map