[gnome-chess] Remove duplicate tooltip text

[Piotr DrÄg <piotrdrag src gnome org>]

commit 338ad3ca402954d3306e8d95f63b7bf81c4eca63
Author: Piotr DrÄg <piotrdrag gmail com>
Date:   Wed Dec 26 23:39:02 2012 +0100

    Remove duplicate tooltip text
    
    It makes translation easier, as one of the
    duplicates differed with only one character.

 data/promotion-type-selector.ui |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/data/promotion-type-selector.ui b/data/promotion-type-selector.ui
index deeac9b..a32a498 100644
--- a/data/promotion-type-selector.ui
+++ b/data/promotion-type-selector.ui
@@ -244,7 +244,6 @@
             <property name="visible">True</property>
             <property name="can_focus">False</property>
             <property name="has_tooltip">True</property>
-            <property name="tooltip_markup" translatable="yes">Promotion is a chess rule describing the transformation of a pawn that reaches its eighth rank into the player&amp;apos;s choice of a queen, knight, rook, or bishop of the same color. The new piece replaces the pawn on the same square and is part of the move. Every pawn that reaches its eighth rank must be promoted. Pawn promotion often decides the result of a chess endgame.</property>
             <property name="tooltip_text" translatable="yes">Promotion is a chess rule describing the transformation of a pawn that reaches its eighth rank into the player's choice of a queen, knight, rook, or bishop of the same color. The new piece replaces the pawn on the same square and is part of the move. Every pawn that reaches its eighth rank must be promoted. Pawn promotion often decides the result of a chess endgame.</property>
             <property name="hexpand">True</property>
             <property name="vexpand">True</property>