Fix readme

Author: yyoncho

README.md

@@ -71,8 +71,7 @@ Minimal configuration with [company-capf](https://github.com/company-mode/compan
 (use-package projectile)
 (use-package flycheck)
 (use-package yasnippet :config (yas-global-mode))
-(use-package lsp-mode :hook ((lsp-mode . lsp-enable-which-key-integration))
-  :config (setq lsp-completion-enable-additional-text-edit nil))
+(use-package lsp-mode :hook ((lsp-mode . lsp-enable-which-key-integration)))
 (use-package hydra)
 (use-package company)
 (use-package lsp-ui)