Remove the æ-kill-or-copy-whole-line command

I never used, not even bound it.

configuration.org

@@ -433,25 +433,6 @@ Copied from http://whattheemacsd.com/editing-defuns.el-01.html
   (indent-for-tab-command))
 #+END_SRC
 
-*** TODO Kill or copy the whole line
-
-Got from Xah’s site (TODO is for adding a link here.)
-
-#+BEGIN_SRC emacs-lisp
-(defun æ-kill-or-copy-whole-line (kill)
-  "Kill or copy the whole line point is on.
-
-If KILL is non-nil, the line gets killed.  Otherwise, it gets just
-copied to the kill ring."
-  (interactive "P")
-
-  (if kill
-      (kill-whole-line)
-    (let ((beginning (progn (beginning-of-line) (point)))
-          (end (progn (end-of-line) (point))))
-      (copy-region-as-kill beginning end))))
-#+END_SRC
-
 *** Enclose region in a specific character
 
 #+BEGIN_SRC emacs-lisp