add deps for mutt-kz
Revert "more noticable n/N (from https://www.youtube.com/watch?v=aHm36-na4-4)"

This reverts commit 3bc388c6bd8af323e3704606ee46c805227a7910.

This ends up being SUPER annoying because it freezes vim.  You can't quickly
cycle through or expand folds while it's doing it's thing.