[evolution] Remove unused e_tree_drag_unhighlight().

[Matthew Barnes <mbarnes src gnome org>]

commit 6ebc2970c9b06890660923461b93c43fe68a1f0d
Author: Matthew Barnes <mbarnes redhat com>
Date:   Thu Jun 20 09:39:05 2013 -0400

    Remove unused e_tree_drag_unhighlight().

 .../evolution-util/evolution-util-sections.txt     |    1 -
 e-util/e-tree.c                                    |   11 -----------
 e-util/e-tree.h                                    |    2 --
 3 files changed, 0 insertions(+), 14 deletions(-)
---
diff --git a/doc/reference/evolution-util/evolution-util-sections.txt 
b/doc/reference/evolution-util/evolution-util-sections.txt
index 1c784f8..c94b924 100644
--- a/doc/reference/evolution-util/evolution-util-sections.txt
+++ b/doc/reference/evolution-util/evolution-util-sections.txt
@@ -4203,7 +4203,6 @@ e_tree_get_cell_geometry
 e_tree_get_model
 e_tree_get_selection_model
 e_tree_get_table_adapter
-e_tree_drag_unhighlight
 e_tree_drag_source_set
 e_tree_drag_source_unset
 e_tree_drag_begin
diff --git a/e-util/e-tree.c b/e-util/e-tree.c
index 8c89188..6b2b693 100644
--- a/e-util/e-tree.c
+++ b/e-util/e-tree.c
@@ -2546,17 +2546,6 @@ struct _GtkDragSourceInfo
 
 /* Drag & drop stuff. */
 
-void
-e_tree_drag_unhighlight (ETree *tree)
-{
-       g_return_if_fail (E_IS_TREE (tree));
-
-       if (tree->priv->drop_highlight) {
-               g_object_run_dispose (G_OBJECT (tree->priv->drop_highlight));
-               tree->priv->drop_highlight = NULL;
-       }
-}
-
 /* Source side */
 
 static gint
diff --git a/e-util/e-tree.h b/e-util/e-tree.h
index da16080..9b61fd2 100644
--- a/e-util/e-tree.h
+++ b/e-util/e-tree.h
@@ -250,8 +250,6 @@ ETreeTableAdapter *
                e_tree_get_table_adapter        (ETree *tree);
 
 /* Drag & drop stuff. */
-/* Target */
-void           e_tree_drag_unhighlight         (ETree *tree);
 
 /* Source side */
 void           e_tree_drag_source_set          (ETree *tree,