[gcompris/gcomprixogoo] Removed the difficulty level in the sub menu.

[Bruno Coudoin <bcoudoin src gnome org>]

commit f6a3c0c0a8f108c3ef61ee05e9719849560ac54b
Author: Bruno Coudoin <bruno coudoin free fr>
Date:   Sun Jan 3 19:32:05 2010 +0100

    Removed the difficulty level in the sub menu.

 boards/algebra_group.xml.in |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/boards/algebra_group.xml.in b/boards/algebra_group.xml.in
index fa8414b..39aee84 100644
--- a/boards/algebra_group.xml.in
+++ b/boards/algebra_group.xml.in
@@ -5,7 +5,6 @@
 	 type="menu"
 	 section="/math/algebramenu"
 	 icon="algebra_group.svg"
-	 difficulty="2"
 	 author="">
 	 <_title>Go to Algebra activities</_title>
 	 <_description>Left-click the mouse on an activity to select it.</_description>