[goffice] Reversed previous tooltip change since it just does not work.

[Jean BrÃfort <jbrefort src gnome org>]

commit f0b55ac5143cf68827ba5364d851c42eb8cbba0a
Author: Jean Brefort <jean brefort normalesup org>
Date:   Tue Feb 12 10:56:30 2013 +0100

    Reversed previous tooltip change since it just does not work.

 ChangeLog                  |    5 -----
 NEWS                       |    1 -
 goffice/canvas/goc-graph.c |    1 -
 3 files changed, 0 insertions(+), 7 deletions(-)
---
diff --git a/ChangeLog b/ChangeLog
index 517994e..2dfe234 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,8 +1,3 @@
-2013-02-09  Jean Brefort  <jean brefort normalesup org>
-
-	* goffice/canvas/goc-graph.c (goc_graph_do_tooltip): force tooltip update.
-	[#693430]
-
 2013-02-07  Morten Welinder  <terra gnome org>
 
 	* goffice/math/go-regression.c (back_solve): Fix infinite loop.
diff --git a/NEWS b/NEWS
index 3fa4bd5..e16bf05 100644
--- a/NEWS
+++ b/NEWS
@@ -5,7 +5,6 @@ Jean:
 	* Don't crash after deleting a named smoothed curve. [#691796]
 	* Fix data label offset serialization. [#692305]
 	* Add a user interface for radar and polar plots axis selection. [#692803]
-	* Fix tooltip update for charts. [#693430]
 
 Morten:
 	* Cleanup linear algebra.  [#691630]
diff --git a/goffice/canvas/goc-graph.c b/goffice/canvas/goc-graph.c
index a3f6384..9afc132 100644
--- a/goffice/canvas/goc-graph.c
+++ b/goffice/canvas/goc-graph.c
@@ -376,7 +376,6 @@ goc_graph_do_tooltip (GocGraph *graph)
 	}
 	gog_chart_map_free (map);
 tooltip:
-	gtk_widget_set_tooltip_text (GTK_WIDGET (item->canvas), NULL);
 	gtk_widget_set_tooltip_markup (GTK_WIDGET (item->canvas), buf);
 	g_free (buf);
 }