[epiphany] Fix segfault on window close

[Iulian Radu <iulianradu src gnome org>]

commit 1bf53c4fa7aa0ab6b5bd4a4c662614beeafdbdb0
Author: Iulian Radu <iulian radu67 gmail com>
Date:   Thu Jul 28 15:24:10 2016 +0300

    Fix segfault on window close

 src/ephy-toolbar.c |    3 ---
 1 files changed, 0 insertions(+), 3 deletions(-)
---
diff --git a/src/ephy-toolbar.c b/src/ephy-toolbar.c
index d8af7ef..97f7ed1 100644
--- a/src/ephy-toolbar.c
+++ b/src/ephy-toolbar.c
@@ -701,9 +701,6 @@ ephy_toolbar_dispose (GObject *object)
 {
   EphyToolbar *toolbar = EPHY_TOOLBAR (object);
 
-  g_clear_object (&toolbar->window);
-  g_clear_object (&toolbar->title_box);
-
   if (toolbar->navigation_buttons_menu_timeout > 0) {
     g_source_remove (toolbar->navigation_buttons_menu_timeout);
     toolbar->navigation_buttons_menu_timeout = 0;