Revert `git config notes.rewriteref` option
Revert `git config notes.rewriteref` option

Seemed useful at the time, but causes a warning when the notes reference
isn't present in a repo.

benizi/dotfiles,benizi/dotfiles,benizi/dotfiles,benizi/dotfiles,benizi/dotfiles,benizi/dotfiles,benizi/dotfiles,benizi/dotfiles