[gnome-chess] help: Don't show Keyboard Shortcuts page

[Jeremy Bicha <jbicha src gnome org>]

commit e9cd1039071bff12e11bbba8d9bd7d95a1d4f650
Author: Jeremy Bicha <jbicha ubuntu com>
Date:   Sun Dec 9 22:50:03 2018 -0500

    help: Don't show Keyboard Shortcuts page
    
    but keep shipping it for now so that we don't lose translations
    until we make a stronger decision.
    
    https://mail.gnome.org/archives/desktop-devel-list/2018-December/msg00024.html

 help/C/shortcuts.page | 6 ++++++
 1 file changed, 6 insertions(+)
---
diff --git a/help/C/shortcuts.page b/help/C/shortcuts.page
index 0d342a7..ab73586 100644
--- a/help/C/shortcuts.page
+++ b/help/C/shortcuts.page
@@ -2,7 +2,13 @@
       type="topic" style="task"
       id="shortcuts">
   <info>
+
+<!--
+Let's not include Keyboard Shortcuts here for now.
+See https://mail.gnome.org/archives/desktop-devel-list/2018-December/msg00024.html
     <link type="guide" xref="index#advanced" />
+-->
+
     <revision version="0.1" date="2012-01-15" status="review"/>
 
     <credit type="author copyright">