org.el: Fix bindings of < and > for calendar scrolling

* lisp/org.el (org-read-date-minibuffer-local-map): Switch to the
  current calendar API for scrolling the calendar.

lisp/org.el

@@ -16285,10 +16285,10 @@ So these are more for recording a certain time/date."
                   (message "")))
     (org-defkey map ">"
                 (lambda () (interactive)
-                  (org-eval-in-calendar '(scroll-calendar-left 1))))
+                  (org-eval-in-calendar '(calendar-scroll-left 1))))
     (org-defkey map "<"
                 (lambda () (interactive)
-                  (org-eval-in-calendar '(scroll-calendar-right 1))))
+                  (org-eval-in-calendar '(calendar-scroll-right 1))))
     (org-defkey map "\C-v"
                 (lambda () (interactive)
                   (org-eval-in-calendar