[Emacs] Disable default rust checkers by default

dotfiles/emacs.d/README.org

@@ -2194,6 +2194,7 @@ I don't use auto-complete at all, so I have set up a hook to automatically disab
 
 	  (add-to-list 'flycheck-emacs-lisp-checkdoc-variables
 				   'sentence-end-double-space)
+	  (setq-default flycheck-disabled-checkers '(rust-cargo rust rust-clippy))
 	  (setq flycheck-display-errors-delay 10000)
 	  (global-flycheck-mode))
 	:diminish flycheck-mode)