[glib] Drop a no-longer-existing example from the docs

[Matthias Clasen <matthiasc src gnome org>]

commit 8548d16add2ed4b208aca062c230aeeca9103d0a
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat Jan 25 18:18:42 2014 -0500

    Drop a no-longer-existing example from the docs
    
    gapplication-example-menu.c was dropped in
    0c094d660769a00564ef33a775a387f62cf2ff41, two years ago.
    Time to remove its inclusion in the docs too.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=722973

 gio/gapplication.c |    8 --------
 1 files changed, 0 insertions(+), 8 deletions(-)
---
diff --git a/gio/gapplication.c b/gio/gapplication.c
index ffc1c27..106c19c 100644
--- a/gio/gapplication.c
+++ b/gio/gapplication.c
@@ -169,14 +169,6 @@
  * </programlisting>
  * </example>
  *
- * <example id="gapplication-example-menu"><title>A GApplication with menus</title>
- * <programlisting>
- * <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"; parse="text" 
href="../../../../gio/tests/gapplication-example-menu.c">
- *   <xi:fallback>FIXME: MISSING XINCLUDE CONTENT</xi:fallback>
- * </xi:include>
- * </programlisting>
- * </example>
- *
  * <example id="gapplication-example-dbushooks"><title>Using extra D-Bus hooks with a GApplication</title>
  * <programlisting>
  * <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"; parse="text" 
href="../../../../gio/tests/gapplication-example-dbushooks.c">