prettier

24fc5f6b - Update vim.md (#8232)

Update vim.md (#8232) According to [coc.nvim](https://github.com/neoclide/coc.nvim/blob/4b7375d16cfc182abce5e9039f5c77bb4f5fe67b/autoload/coc/util.vim#L885) coc#util#install() support will be removed.