[gnome-boxes] kbd-shortcuts: Drop mention of Alt+n

[Zeeshan Ali Khattak <zeeshanak src gnome org>]

commit 6a907cb5f957f97f5ad09cb2d845787f0455242e
Author: Zeeshan Ali (Khattak) <zeeshanak gnome org>
Date:   Tue Dec 15 19:08:26 2015 +0000

    kbd-shortcuts: Drop mention of Alt+n
    
    This is not a shortcut but a a mnemonic trigger for "_New" button.

 data/ui/kbd-shortcuts-window.ui |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/data/ui/kbd-shortcuts-window.ui b/data/ui/kbd-shortcuts-window.ui
index bb1a2a4..305195c 100644
--- a/data/ui/kbd-shortcuts-window.ui
+++ b/data/ui/kbd-shortcuts-window.ui
@@ -28,7 +28,7 @@
             <child>
               <object class="GtkShortcutsShortcut">
                 <property name="visible">1</property>
-                <property name="accelerator">&lt;Ctrl&gt;n &lt;Alt&gt;n</property>
+                <property name="accelerator">&lt;Ctrl&gt;n</property>
                 <property name="title" translatable="yes">Create a new box</property>
               </object>
             </child>