Remove framework initialization code

This is left over from an old effort to bundle gtk and its dependencies
into a Mac OS X Framework. The effort was more or less successful but
proved difficult to maintain and impractical to use because gtk programs
don't use the special Framework include syntax.

gdk/quartz/gdkdisplay-quartz.c

@@ -345,8 +345,4 @@ gdk_quartz_display_class_init (GdkQuartzDisplayClass *class)
    */
   TransformProcessType (&psn, kProcessTransformToForegroundApplication);
 
-  /* Initialize GTK+ framework if there is one. */
-  _gtk_quartz_framework_init_ptr = dlsym (RTLD_DEFAULT, "_gtk_quartz_framework_init");
-  if (_gtk_quartz_framework_init_ptr)
-    _gtk_quartz_framework_init_ptr ();
 }

gdk/quartz/gdkdisplaymanager-quartz.c

@@ -22,7 +22,6 @@
 
 #include "config.h"
 
-#include <dlfcn.h>
 #include <ApplicationServices/ApplicationServices.h>
 
 #include "gdkquartzdisplay.h"