[glom] CanvasEditable: Remove an unused method.

[Murray Cumming <murrayc src gnome org>]

commit 62bb1a9d554de23802ab5cdf375da3ebbf1a2074
Author: Murray Cumming <murrayc murrayc com>
Date:   Fri Dec 5 11:59:08 2014 +0100

    CanvasEditable: Remove an unused method.
    
    get_parent_container_or_self() is not called by anything.
    Found by Coverity Scan, which identified dead code because of
    an early return, not because the whole method is not used.

 glom/utility_widgets/canvas/canvas_editable.cc |   12 ------------
 glom/utility_widgets/canvas/canvas_editable.h  |    2 --
 2 files changed, 0 insertions(+), 14 deletions(-)
---
diff --git a/glom/utility_widgets/canvas/canvas_editable.cc b/glom/utility_widgets/canvas/canvas_editable.cc
index 985556a..58e99fb 100644
--- a/glom/utility_widgets/canvas/canvas_editable.cc
+++ b/glom/utility_widgets/canvas/canvas_editable.cc
@@ -139,18 +139,6 @@ void CanvasEditable::remove_all_items(const Glib::RefPtr<Goocanvas::Group>& grou
 }
 
 
-//static:
-Glib::RefPtr<Goocanvas::Item> CanvasEditable::get_parent_container_or_self(const 
Glib::RefPtr<Goocanvas::Item>& item)
-{
-  return item;
-
-  Glib::RefPtr<Goocanvas::Item> result = item;
-  while(result && !result->is_container())
-    result = result->get_parent();
-
-  return result;
-}
-
 void CanvasEditable::add_vertical_rule(double x)
 {
   m_grid->add_vertical_rule(x);
diff --git a/glom/utility_widgets/canvas/canvas_editable.h b/glom/utility_widgets/canvas/canvas_editable.h
index c10c1e2..74754ff 100644
--- a/glom/utility_widgets/canvas/canvas_editable.h
+++ b/glom/utility_widgets/canvas/canvas_editable.h
@@ -103,8 +103,6 @@ private:
   
   void on_item_selected(const Glib::RefPtr<CanvasItemMovable>& item, bool group_select);
 
-  static Glib::RefPtr<Goocanvas::Item> get_parent_container_or_self(const Glib::RefPtr<Goocanvas::Item>& 
item);
-
   bool m_dragging;
   double m_drag_x, m_drag_y;