[gnome-calendar] window: remove unneeded set of menu image

[Erick Pérez Castellanos <erickpc src gnome org>]

commit aa445c33d1b075079e730535f85c88d9a3288c94
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Tue Nov 25 16:43:35 2014 -0200

    window: remove unneeded set of menu image
    
    This is already done in the builder file.

 src/gcal-window.c |    5 -----
 1 files changed, 0 insertions(+), 5 deletions(-)
---
diff --git a/src/gcal-window.c b/src/gcal-window.c
index 231fb16..5c3ab44 100644
--- a/src/gcal-window.c
+++ b/src/gcal-window.c
@@ -1031,11 +1031,6 @@ gcal_window_constructed (GObject *object)
   /* header_bar: menu */
   gtk_menu_button_set_use_popover (GTK_MENU_BUTTON (priv->menu_button),
                                    TRUE);
-  gtk_button_set_image (
-      GTK_BUTTON (priv->menu_button),
-      gtk_image_new_from_icon_name ("open-menu-symbolic",
-                                    GTK_ICON_SIZE_MENU));
-
   builder = gtk_builder_new ();
   gtk_builder_add_from_resource (builder,
                                  "/org/gnome/calendar/menus.ui",