Fix #2104: prevent double-package-init on 'doom refresh'
Fix #2104: prevent double-package-init on 'doom refresh'

'Could not find package emacsmirror-mirror in recipe repositories'
error, which shouldn't happen since emacsmirror-mirror is a recipe repo.

UndeadKernel/emacs_doom,hlissner/doom-emacs,UndeadKernel/emacs_doom,UndeadKernel/emacs_doom,hlissner/doom-emacs,hlissner/.emacs.d,hlissner/.emacs.d,hlissner/.emacs.d,hlissner/doom-emacs,UndeadKernel/emacs_doom,hlissner/.emacs.d,hlissner/.emacs.d,hlissner/.emacs.d,UndeadKernel/emacs_doom,hlissner/doom-emacs,hlissner/.emacs.d,UndeadKernel/emacs_doom,hlissner/doom-emacs,hlissner/.emacs.d,hlissner/doom-emacs,hlissner/doom-emacs,UndeadKernel/emacs_doom