[evolution] Remove unused e_tree_right_click_up().

[Matthew Barnes <mbarnes src gnome org>]

commit f0900fd21d0c6abd7e038aac656de7b6cfeb19d2
Author: Matthew Barnes <mbarnes redhat com>
Date:   Thu Jun 20 09:48:13 2013 -0400

    Remove unused e_tree_right_click_up().

 .../evolution-util/evolution-util-sections.txt     |    1 -
 e-util/e-tree.c                                    |    6 ------
 e-util/e-tree.h                                    |    3 ---
 3 files changed, 0 insertions(+), 10 deletions(-)
---
diff --git a/doc/reference/evolution-util/evolution-util-sections.txt 
b/doc/reference/evolution-util/evolution-util-sections.txt
index c94b924..d7ced3e 100644
--- a/doc/reference/evolution-util/evolution-util-sections.txt
+++ b/doc/reference/evolution-util/evolution-util-sections.txt
@@ -4224,7 +4224,6 @@ e_tree_get_tooltip
 e_tree_force_expanded_state
 ETreeFindNextParams
 e_tree_find_next
-e_tree_right_click_up
 e_tree_get_item
 e_tree_get_header_item
 e_tree_set_info_message
diff --git a/e-util/e-tree.c b/e-util/e-tree.c
index 6b2b693..20eb8a4 100644
--- a/e-util/e-tree.c
+++ b/e-util/e-tree.c
@@ -2409,12 +2409,6 @@ e_tree_find_next (ETree *tree,
        return FALSE;
 }
 
-void
-e_tree_right_click_up (ETree *tree)
-{
-       e_selection_model_right_click_up (tree->priv->selection);
-}
-
 /**
  * e_tree_get_model:
  * @et: the ETree
diff --git a/e-util/e-tree.h b/e-util/e-tree.h
index 9b61fd2..d413972 100644
--- a/e-util/e-tree.h
+++ b/e-util/e-tree.h
@@ -316,9 +316,6 @@ gboolean    e_tree_find_next                (ETree *tree,
                                                 ETreePathFunc func,
                                                 gpointer data);
 
-/* This function is only needed in single_selection_mode. */
-void           e_tree_right_click_up           (ETree *tree);
-
 ETableItem *   e_tree_get_item                 (ETree *tree);
 
 GnomeCanvasItem *