Get rid of the unmaintained toml-mode package

README.org

@@ -238,7 +238,6 @@ the ~custom-file~ as [[info:emacs#Saving Customizations][saving customizations (
        saveplace-pdf-view         ; save pdf-view and doc-view places
        sly                        ; Sylvester the Cat's Common Lisp IDE
        smartparens                ; smart editing of character pairs
-       toml-mode                  ; Tom's Obvious Minimal Language mode
        undo-tree                  ; more advanced yet simpler undo system
        vertico                    ; VERTical Interactive Completion
        wgrep                      ; open a writable grep buffer
@@ -1807,6 +1806,8 @@ new [[info:org#Editing Source Code][<LANGUAGE>-modes]]: =latex-header= and =late
 #+name: lst:emacs-lisp-setup-latex-header
 #+begin_src emacs-lisp :exports code :silent
   (with-eval-after-load 'org-src
+    (add-to-list 'org-src-lang-modes '("toml" . conf-toml))
+
     (defun prefix-all-lines (prefix body)
       (with-temp-buffer
         (insert body)