Merge branch 'ja/clean-confirm-i18n'

The prompt string "remove?" used when "git clean -i" asks the user if a path should be removed was localizable, but the code always expects a substring of "yes" to tell it to go ahead. Always show [y/N] as part of this prompt to hint that the answer is not (yet) localized. * ja/clean-confirm-i18n: Add hint interactive cleaning