emacs: mu4e: only sync INBOX
emacs: mu4e: only sync INBOX

i realized that trying to sync all of my email in /archive requires
quite a bit of processing and communication over the wire. makes sense
to only sync the inbox when in mu4e anyway.

mjhoy/dotfiles,mjhoy/dotfiles,mjhoy/dotfiles,mjhoy/dotfiles,mjhoy/dotfiles