tweak(dired): don't auto-revert when remote
tweak(dired): don't auto-revert when remote

On slow connections `dired-auto-revert-buffer` causes excessive
slowdowns; this limits its behavior to local files.

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