symboliccolor: Remove extra includes

That header was included in way too many places.

gtk/gtkcsscustomproperty.c

@@ -26,6 +26,7 @@
 #include "gtkcssstylefuncsprivate.h"
 #include "gtkcsstypedvalueprivate.h"
 #include "gtkstylepropertiesprivate.h"
+#include "gtksymboliccolor.h"
 #include "gtkthemingengine.h"
 
 G_DEFINE_TYPE (GtkCssCustomProperty, _gtk_css_custom_property, GTK_TYPE_CSS_STYLE_PROPERTY)

gtk/gtkcssrgbavalue.c

@@ -21,7 +21,6 @@
 
 #include "gtkcssstylepropertyprivate.h"
 #include "gtkstylecontextprivate.h"
-#include "gtksymboliccolorprivate.h"
 
 struct _GtkCssValue {
   GTK_CSS_VALUE_BASE

gtk/gtkcssstylepropertyimpl.c

@@ -46,8 +46,8 @@
 #include "gtkcsscornervalueprivate.h"
 #include "gtkcsseasevalueprivate.h"
 #include "gtkcssenginevalueprivate.h"
-#include "gtkcssimagegradientprivate.h"
 #include "gtkcssimageprivate.h"
+#include "gtkcssimagegradientprivate.h"
 #include "gtkcssimagevalueprivate.h"
 #include "gtkcssenumvalueprivate.h"
 #include "gtkcssnumbervalueprivate.h"

gtk/gtkstyleproperties.c

@@ -37,6 +37,7 @@
 #include "gtkstyleproviderprivate.h"
 #include "gtkintl.h"
 
+#include "gtksymboliccolorprivate.h"
 #include "gtkwin32themeprivate.h"
 
 /**

gtk/gtkstylepropertiesprivate.h

@@ -21,7 +21,6 @@
 #include "gtkstyleproperties.h"
 #include "gtkcssstylepropertyprivate.h"
 #include "gtkstylecontextprivate.h"
-#include "gtksymboliccolorprivate.h"
 
 G_BEGIN_DECLS
 

gtk/gtkwidget.c

@@ -55,7 +55,6 @@
 #include "gtkbuilderprivate.h"
 #include "gtksizerequest.h"
 #include "gtkstylecontextprivate.h"
-#include "gtksymboliccolor.h"
 #include "gtkcssprovider.h"
 #include "gtkmodifierstyle.h"
 #include "gtkversion.h"