[evolution] Remove unused e_tree_drag_dest_unset().

[Matthew Barnes <mbarnes src gnome org>]

commit 935586a0f15047057ad1a9d866926676cb75dda3
Author: Matthew Barnes <mbarnes redhat com>
Date:   Thu Jun 20 09:32:18 2013 -0400

    Remove unused e_tree_drag_dest_unset().
    
    It just calls gtk_drag_dest_unset() anyway.

 .../evolution-util/evolution-util-sections.txt     |    1 -
 e-util/e-tree.c                                    |   13 -------------
 e-util/e-tree.h                                    |    5 -----
 3 files changed, 0 insertions(+), 19 deletions(-)
---
diff --git a/doc/reference/evolution-util/evolution-util-sections.txt 
b/doc/reference/evolution-util/evolution-util-sections.txt
index 2b146c9..242992c 100644
--- a/doc/reference/evolution-util/evolution-util-sections.txt
+++ b/doc/reference/evolution-util/evolution-util-sections.txt
@@ -4206,7 +4206,6 @@ e_tree_get_table_adapter
 e_tree_drag_get_data
 e_tree_drag_highlight
 e_tree_drag_unhighlight
-e_tree_drag_dest_unset
 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 2c535e5..87ffba6 100644
--- a/e-util/e-tree.c
+++ b/e-util/e-tree.c
@@ -2638,19 +2638,6 @@ e_tree_drag_unhighlight (ETree *tree)
        }
 }
 
-/*
- * There probably should be functions for setting the targets
- * as a GtkTargetList
- */
-
-void
-e_tree_drag_dest_unset (GtkWidget *widget)
-{
-       g_return_if_fail (E_IS_TREE (widget));
-
-       gtk_drag_dest_unset (widget);
-}
-
 /* Source side */
 
 static gint
diff --git a/e-util/e-tree.h b/e-util/e-tree.h
index 27c921c..3006be3 100644
--- a/e-util/e-tree.h
+++ b/e-util/e-tree.h
@@ -262,11 +262,6 @@ void               e_tree_drag_highlight           (ETree *tree,
                                                 gint col); /* col == -1 to highlight entire row. */
 void           e_tree_drag_unhighlight         (ETree *tree);
 
-/* There probably should be functions for setting the targets
- * as a GtkTargetList
- */
-void           e_tree_drag_dest_unset          (GtkWidget *widget);
-
 /* Source side */
 void           e_tree_drag_source_set          (ETree *tree,
                                                 GdkModifierType start_button_mask,