[gtkmm] Removed an extra gtk.h include.

[Murray Cumming <murrayc src gnome org>]

commit f725df19d6a6f05d4c44942d191ac234e070e037
Author: Murray Cumming <murrayc murrayc com>
Date:   Tue Nov 2 11:41:31 2010 +0100

    Removed an extra gtk.h include.

 gtk/src/buildable.hg |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/gtk/src/buildable.hg b/gtk/src/buildable.hg
index 76f9c1a..0e3f960 100644
--- a/gtk/src/buildable.hg
+++ b/gtk/src/buildable.hg
@@ -18,7 +18,6 @@
  */
 
 #include <glibmm/interface.h>
-#include <gtk/gtk.h>
 _DEFS(gtkmm,gtk)
 _PINCLUDE(glibmm/private/interface_p.h)