[Emacs] Remove LanguageTool LSP

The package already installed is more than enough

org/config/emacs.org

@@ -6433,27 +6433,6 @@ in quite a few languages.
     "r" #'langtool-correct-region))
 #+end_src
 
-An LSP version of LanguageTools is also available:
-#+begin_src emacs-lisp
-(use-package lsp-ltex
-  :defer t
-  :straight (:build t)
-  :after lsp
-  :hook (text-mode . lsp-deferred)
-  :init
-  (setq lsp-ltex-java-force-try-system-wide t
-        lsp-ltex-server-store-path nil
-        lsp-ltex-version (gethash "ltex-ls"
-                                  (json-parse-string
-                                   (replace-regexp-in-string
-                                    (rx "Picked" (* any) "\n")
-                                    ""
-                                    (shell-command-to-string "ltex-ls -V"))))
-        lsp-ltex-check-frequency "save"
-        lsp-ltex-language "auto"
-        lsp-ltex-mother-tongue "fr"))
-#+end_src
-
 Finally, =writegood-mode= detects some simple general rules when writing
 in English and can also calculate the Flesh-Kincaid levels of a
 document.