Backport commit b34d39170 from Emacs

* lisp/org.el: Don't require easymenu in Emacs 28 or later.

Minor fixes after preloading easymenu
b34d39170b67a7a285f7c8c2ea1b4128b531aad9
Stefan Kangas
Sat Feb 27 20:04:41 2021 +0100

lisp/org.el

@@ -4757,7 +4757,8 @@ This is for getting out of special buffers like capture.")
 ;; Other stuff we need.
 (require 'time-date)
 (unless (fboundp 'time-subtract) (defalias 'time-subtract 'subtract-time))
-(require 'easymenu)
+(when (< emacs-major-version 28)  ; preloaded in Emacs 28
+  (require 'easymenu))
 
 (require 'org-entities)
 (require 'org-faces)