[gconf] Remove non-existing --usage flag

[Kjartan Maraas <kmaraas src gnome org>]

commit 95454a76a40882d1912e83b141ffc398e2735aa8
Author: Kjartan Maraas <kmaraas gnome org>
Date:   Tue May 24 18:11:44 2011 +0200

    Remove non-existing --usage flag

 doc/gconftool-2.1 |    3 ---
 1 files changed, 0 insertions(+), 3 deletions(-)
---
diff --git a/doc/gconftool-2.1 b/doc/gconftool-2.1
index cc772cc..69d2dfc 100644
--- a/doc/gconftool-2.1
+++ b/doc/gconftool-2.1
@@ -133,9 +133,6 @@ Help options
 .TP
 -?, \fB\-\-help\fR
 Show the help message.
-.TP
-\fB\-\-usage\fR
-Display brief usage message.
 .SH EXAMPLES
 Display the path to the current desktop wallpaper.
 .IP