[gnome-calendar] window: Remove Ctrl+F1 shortcut from help overlay

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit df98475eeda9a44af319c4396814e4ba713be64c
Author: Björn Daase <bjoern daase net>
Date:   Sun Feb 13 11:13:27 2022 +0100

    window: Remove Ctrl+F1 shortcut from help overlay
    
    It's neither working nor implemented by any other GTK app to open the
    shortcuts page. Therefore, remove it from the help overlay.

 src/gui/gtk/help-overlay.ui | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/gui/gtk/help-overlay.ui b/src/gui/gtk/help-overlay.ui
index c58450b1..8a6a2502 100644
--- a/src/gui/gtk/help-overlay.ui
+++ b/src/gui/gtk/help-overlay.ui
@@ -36,7 +36,7 @@
             <child>
               <object class="GtkShortcutsShortcut">
                 <property name="title" translatable="yes" context="shortcut window">Shortcuts</property>
-                <property name="accelerator">&lt;Primary&gt;question &lt;Primary&gt;F1</property>
+                <property name="accelerator">&lt;Primary&gt;question</property>
               </object>
             </child>
           </object>