[gtkmm] Window: Remove get/set_hide_titlebar_when_maximized().

[Murray Cumming <murrayc src gnome org>]

commit 03b54827ccbd6ed5a9cd573cc69129cf0dcb1f7c
Author: Murray Cumming <murrayc murrayc com>
Date:   Wed May 3 09:16:11 2017 +0200

    Window: Remove get/set_hide_titlebar_when_maximized().
    
    It has been removed from GTK+.

 gtk/src/window.hg |    4 ----
 1 files changed, 0 insertions(+), 4 deletions(-)
---
diff --git a/gtk/src/window.hg b/gtk/src/window.hg
index 6716a39..619afc9 100644
--- a/gtk/src/window.hg
+++ b/gtk/src/window.hg
@@ -61,7 +61,6 @@ public:
   _WRAP_PROPERTY("default_width", int)
   _WRAP_PROPERTY("default_height", int)
   _WRAP_PROPERTY("destroy_with_parent", bool)
-  _WRAP_PROPERTY("hide-titlebar-when-maximized", bool)
   _WRAP_PROPERTY("icon", Glib::RefPtr<Gdk::Pixbuf>)
   _WRAP_PROPERTY("mnemonics-visible", bool)
   _WRAP_PROPERTY("icon-name", Glib::ustring)
@@ -188,9 +187,6 @@ dnl
   _WRAP_METHOD(bool get_destroy_with_parent() const, gtk_window_get_destroy_with_parent)
   // I don't that that this is ever a good thing for C++.murrayc.
 
-  _WRAP_METHOD(void set_hide_titlebar_when_maximized(bool setting = true), 
gtk_window_set_hide_titlebar_when_maximized)
-  _WRAP_METHOD(bool get_hide_titlebar_when_maximized() const, gtk_window_get_hide_titlebar_when_maximized)
-
   _WRAP_METHOD(void set_mnemonics_visible(bool setting = true), gtk_window_set_mnemonics_visible)
   _WRAP_METHOD(bool get_mnemonics_visible() const, gtk_window_get_mnemonics_visible)