Remove unused functions

lisp/mir-defuns.el

@@ -115,19 +115,6 @@ For instance:
 - Maybe SLIME too."
   (turn-off-line-numbers))
 
-;; for vterm
-(defun update-pwd (path)
-  "Sync Emacs' working PATH with the shell's.
-For use with `vterm'."
-  (setq default-directory path))
-
-;; reference: https://stackoverflow.com/questions/4114577/how-do-i-define-an-emacs-lisp-function-to-spawn-a-shell-buffer-with-a-particular
-(defun spawn-shell (name)
-  "Invoke shell test"
-  (interactive "MName of shell buffer to create: ")
-  (pop-to-buffer (get-buffer-create (generate-new-buffer-name name)))
-  (shell (current-buffer)))
-
 ;; This one line cost me over an hour of frustration...
 (provide 'mir-defuns)