[gnome-chess] help-overlay.ui: Remove Ctrl+F1 shortcut

[Michael Catanzaro <mcatanzaro src gnome org>]

commit aa00f096f27541e7f62774c3ef5b5b10855699c6
Author: Sabri Ünal <libreajans gmail com>
Date:   Thu Apr 9 16:37:59 2020 +0300

    help-overlay.ui: Remove Ctrl+F1 shortcut
    
    Due to a conflict, remove Ctrl+F1 shortcut from Keyboard Shortcuts dialog.
    
    https://gitlab.gnome.org/GNOME/gtk/-/issues/626

 data/help-overlay.ui | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/data/help-overlay.ui b/data/help-overlay.ui
index aad8ff5..51a088e 100644
--- a/data/help-overlay.ui
+++ b/data/help-overlay.ui
@@ -117,7 +117,7 @@
             <child>
               <object class="GtkShortcutsShortcut">
                 <property name="visible">1</property>
-                <property name="accelerator">&lt;Primary&gt;question &lt;Primary&gt;F1</property>
+                <property name="accelerator">&lt;Primary&gt;question</property>
                 <property name="title" translatable="yes" context="shortcut window">Show Keyboard 
Shortcuts</property>
               </object>
             </child>