org-icompleting-read cosmetic cleanup

* lisp/org.el (org-icompleting-read): Do not use useless lambda.

Signed-off-by: Julien Danjou <julien@danjou.info>

lisp/org.el

@@ -9019,7 +9019,7 @@ from."
        (let ((ido-enter-matching-directory nil))
 	 (apply 'ido-completing-read (concat (car args))
 		(if (consp (car (nth 1 args)))
-		    (mapcar (lambda (x) (car x)) (nth 1 args))
+		    (mapcar 'car (nth 1 args))
 		  (nth 1 args))
 		(cddr args)))
      (if (and org-completion-use-iswitchb
@@ -9027,7 +9027,7 @@ from."
 	      (listp (second args)))
 	 (apply 'org-iswitchb-completing-read (concat (car args))
 		(if (consp (car (nth 1 args)))
-		    (mapcar (lambda (x) (car x)) (nth 1 args))
+		    (mapcar 'car (nth 1 args))
 		  (nth 1 args))
 		(cddr args))
        (apply 'completing-read args)))))