Kill dead IFWL_*::Initialize() variants dead.

xfa/include/fwl/basewidget/fwl_barcode.h

Index: xfa/include/fwl/basewidget/fwl_barcode.h
diff --git a/xfa/include/fwl/basewidget/fwl_barcode.h b/xfa/include/fwl/basewidget/fwl_barcode.h
index f2b0b2a11a4c4aac1ab00f31beb0bb6ca8e26795..ac54ab8d39f3f69d71335f225410c85e42ef4e78 100644
--- a/xfa/include/fwl/basewidget/fwl_barcode.h
+++ b/xfa/include/fwl/basewidget/fwl_barcode.h
@@ -50,9 +50,8 @@ class IFWL_BarcodeDP : public IFWL_EditDP {
 class IFWL_Barcode : public IFWL_Edit {
  public:
   static IFWL_Barcode* Create();
-  FWL_ERR Initialize(IFWL_Widget* pOuter = NULL);
   FWL_ERR Initialize(const CFWL_WidgetImpProperties& properties,
-                     IFWL_Widget* pOuter = NULL);
+                     IFWL_Widget* pOuter);
   void SetType(BC_TYPE type);
   FX_BOOL IsProtectedType();