master 72b5b41941: Revert mistaken change in help-mode-setup

[Lars Ingebrigtsen]

branch: master
commit 72b5b4194106d38432cd9892bc01e95d71bf75db
Author: Lars Ingebrigtsen <larsi@gnus.org>
Commit: Lars Ingebrigtsen <larsi@gnus.org>

    Revert mistaken change in help-mode-setup
    
    * lisp/help-mode.el (help-mode-setup): Revert mistakenly applied
    change from cd87a5c7a.
---
 lisp/help-mode.el | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/lisp/help-mode.el b/lisp/help-mode.el
index 0e4d48e153..3bd272b723 100644
--- a/lisp/help-mode.el
+++ b/lisp/help-mode.el
@@ -423,8 +423,7 @@ Commands:
 (defun help-mode-setup ()
   "Enter Help mode in the current buffer."
   (declare (obsolete nil "29.1"))
-  (unless (derived-mode-p 'help-mode)
-    (help-mode))
+  (help-mode)
   (setq buffer-read-only nil))
 
 ;;;###autoload