Delete now unused function

Author: dgutov

diff-hl.el

@@ -583,11 +583,6 @@ contents as they are (or would be) after applying the changes in NEW."
       (setq old (cdr old)))
     ref))
 
-(defun diff-hl-process-wait (buf)
-  (let ((proc (get-buffer-process buf)))
-    (while (process-live-p proc)
-      (accept-process-output proc 0.01))))
-
 (defun diff-hl-changes-from-buffer (buf)
   (with-current-buffer buf
     (let (res)