girepository: remove glib-compat

We depend on glib-2.0 >= 2.36.0, so no need to keep a 2.22.X
compatibility symbol around...

girepository.c

@@ -31,7 +31,6 @@
 #include "girepository.h"
 #include "gitypelib-internal.h"
 #include "girepository-private.h"
-#include "glib-compat.h"
 
 #include "config.h"
 

gitypelib.c

@@ -27,7 +27,6 @@
 
 #include "config.h"
 #include "gitypelib-internal.h"
-#include "glib-compat.h"
 
 typedef struct {
   GITypelib *typelib;

glib-compat.h

@@ -1,25 +0,0 @@
-/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*-
- * GObject introspection: Compatibility definitions
- *
- * Copyright (C) 2009 Javier Jardón
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- */
-
-
-#if !GLIB_CHECK_VERSION(2,22,0)
-#define g_mapped_file_unref(x) g_mapped_file_free(x)
-#endif