Remove two unused functions with key bindings

README.org

@@ -2345,34 +2345,12 @@ Undo this by means of `org-delete-property-globally'."
 When called twice, replace the previously inserted \\(\\) by one $."
   (interactive)
   (if (and (looking-at "\\\\)") (looking-back "\\\\(" (- (point) 2)))
-      (progn (delete-char 2)
+      (progn (delete-char 2) (delete-char -2) (insert "$"))
-             (delete-char -2)
-             (insert "$"))
     (insert "\\(\\)")
     (backward-char 2)))
 
-(defun org-active-current-time-stamp ()
-  "Insert an active date-time stamp of the current time."
-  (interactive)
-  (if (fboundp 'org-insert-time-stamp)
-      (org-insert-time-stamp (current-time) 'with-hm)
-    (let ((stamp (format-time-string "<%Y-%m-%d %a %H:%M>" (current-time))))
-      (insert stamp)
-      stamp)))
-
-(defun org-inactive-current-time-stamp ()
-  "Insert an inactive date-time stamp of the current time."
-  (interactive)
-  (if (fboundp 'org-insert-time-stamp)
-      (org-insert-time-stamp (current-time) 'with-hm 'inactive)
-    (let ((stamp (format-time-string "[%Y-%m-%d %a %H:%M]" (current-time))))
-      (insert stamp)
-      stamp)))
-
 (with-eval-after-load 'org
   (setopt org-return-follows-link t)
-  (keymap-set org-mode-map "C-c <SPC>" #'org-inactive-current-time-stamp)
-  (keymap-set org-mode-map "C-c C-<SPC>" #'org-active-current-time-stamp)
   (keymap-set org-mode-map "$" #'org-electric-dollar)
   (keymap-set org-mode-map "M-q" #'org-fill-paragraph))
 #+end_src