[gtk/backports-for-4-4: 9/16] stylecontext: Remove unneeded headers

[Matthias Clasen <matthiasc src gnome org>]

commit 11c1b97d5c0bc4a966cea266bde6dd3d95cc27ca
Author: Benjamin Otte <otte redhat com>
Date:   Mon Aug 23 07:06:25 2021 +0200

    stylecontext: Remove unneeded headers

 gtk/gtkstylecontext.c | 17 +----------------
 1 file changed, 1 insertion(+), 16 deletions(-)
---
diff --git a/gtk/gtkstylecontext.c b/gtk/gtkstylecontext.c
index 4ded60230c..5e8138d5d9 100644
--- a/gtk/gtkstylecontext.c
+++ b/gtk/gtkstylecontext.c
@@ -20,31 +20,16 @@
 #include "gtkstylecontextprivate.h"
 
 #include <gdk/gdk.h>
-#include <math.h>
-#include <stdlib.h>
-#include <gobject/gvaluecollector.h>
 
 #include "gtkcsscolorvalueprivate.h"
-#include "gtkcssenumvalueprivate.h"
-#include "gtkcssimagevalueprivate.h"
-#include "gtkcssnodedeclarationprivate.h"
 #include "gtkcssnumbervalueprivate.h"
-#include "gtkcsscolorvalueprivate.h"
-#include "gtkcsscolorvalueprivate.h"
-#include "gtkcssstylepropertyprivate.h"
 #include "gtkcsstransientnodeprivate.h"
-#include "gtkcsswidgetnodeprivate.h"
 #include "gtkdebug.h"
 #include "gtkintl.h"
 #include "gtkprivate.h"
-#include "gtkrenderbackgroundprivate.h"
-#include "gtkrendericonprivate.h"
 #include "gtksettings.h"
 #include "gtksettingsprivate.h"
-#include "gtkstylecascadeprivate.h"
-#include "gtkstyleproviderprivate.h"
-#include "gtktypebuiltins.h"
-#include "gtkwidgetprivate.h"
+#include "gtksnapshot.h"
 
 
 /**