Don't require overlay; that's only needed in XEmacs

* lisp/allout.el:
* lisp/net/eudc.el:
* lisp/org/org.el: Don't require overlay; that's only needed in
XEmacs.

lisp/allout.el

@@ -75,9 +75,6 @@
 (declare-function epa-passphrase-callback-function
 		  "epa" (context key-id handback))
 
-;;;_* Dependency loads
-(require 'overlay)
-
 ;;;_* USER CUSTOMIZATION VARIABLES:
 
 ;;;_ > defgroup allout, allout-keybindings

lisp/net/eudc.el

@@ -49,10 +49,6 @@
 
 (require 'cl-lib)
 
-(eval-and-compile
-  (if (not (fboundp 'make-overlay))
-      (require 'overlay)))
-
 (unless (fboundp 'custom-menu-create)
   (autoload 'custom-menu-create "cus-edit"))
 

lisp/org/org.el

@@ -4758,7 +4758,6 @@ This is for getting out of special buffers like capture.")
 (require 'time-date)
 (unless (fboundp 'time-subtract) (defalias 'time-subtract 'subtract-time))
 (require 'easymenu)
-(require 'overlay)
 
 (require 'org-entities)
 (require 'org-faces)