a11y: Remove gtk.h include from listbox headers

gtk/a11y/gtklistboxaccessible.h

@@ -22,7 +22,6 @@
 #error "Only <gtk/gtk-a11y.h> can be included directly."
 #endif
 
-#include <gtk/gtk.h>
 #include <gtk/a11y/gtkcontaineraccessible.h>
 
 G_BEGIN_DECLS

gtk/a11y/gtklistboxaccessibleprivate.h

@@ -20,6 +20,8 @@
 
 #include <gtk/a11y/gtklistboxaccessible.h>
 
+#include <gtk/gtklistbox.h>
+
 G_BEGIN_DECLS
 
 void _gtk_list_box_accessible_update_cursor     (GtkListBox    *box,

gtk/a11y/gtklistboxrowaccessible.h

@@ -22,7 +22,6 @@
 #error "Only <gtk/gtk-a11y.h> can be included directly."
 #endif
 
-#include <gtk/gtk.h>
 #include <gtk/a11y/gtkcontaineraccessible.h>
 
 G_BEGIN_DECLS

gtk/gtklistbox.c

@@ -17,24 +17,31 @@
 
 #include "config.h"
 
+#include "gtklistbox.h"
+
 #include "gtkactionhelperprivate.h"
 #include "gtkadjustmentprivate.h"
+#include "gtkbindings.h"
+#include "gtkbuildable.h"
+#include "gtkcontainerprivate.h"
 #include "gtkcssnodeprivate.h"
-#include "gtklistbox.h"
-#include "gtkwidget.h"
+#include "gtkdnd.h"
+#include "gtkgesturemultipress.h"
+#include "gtkintl.h"
+#include "gtkmain.h"
 #include "gtkmarshalers.h"
 #include "gtkprivate.h"
-#include "gtkintl.h"
+#include "gtkscrollable.h"
+#include "gtktypebuiltins.h"
 #include "gtkwidgetprivate.h"
-#include "gtkcontainerprivate.h"
+
+#include "a11y/gtklistboxaccessibleprivate.h"
+#include "a11y/gtklistboxrowaccessible.h"
 
 #include <float.h>
 #include <math.h>
 #include <string.h>
 
-#include "a11y/gtklistboxaccessibleprivate.h"
-#include "a11y/gtklistboxrowaccessible.h"
-
 /**
  * SECTION:gtklistbox
  * @Short_description: A list container