Revert "[Vim] Uniteの設定変更"

This reverts commit 0569bdb110383947150625fac22604550d109481.
Revert "[Vim] Uniteの設定変更"

This reverts commit 3a91cebecf20f87dc42c4141d9966054080e1c0e.
Revert "[Vim] Uniteの設定変更"

This reverts commit e57c35cca7765b79de3e548fac1d8f4d12fc52f1.