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

xfa/src/fwl/src/basewidget/fwl_monthcalendarimp.cpp

Index: xfa/src/fwl/src/basewidget/fwl_monthcalendarimp.cpp
diff --git a/xfa/src/fwl/src/basewidget/fwl_monthcalendarimp.cpp b/xfa/src/fwl/src/basewidget/fwl_monthcalendarimp.cpp
index 730c244fe122e8f58719b3fd0332653296bf5451..7829105cc5e8773e9279f82eb25f7ef321d77d62 100644
--- a/xfa/src/fwl/src/basewidget/fwl_monthcalendarimp.cpp
+++ b/xfa/src/fwl/src/basewidget/fwl_monthcalendarimp.cpp
@@ -22,12 +22,6 @@ IFWL_MonthCalendar* IFWL_MonthCalendar::Create() {
 }
 IFWL_MonthCalendar::IFWL_MonthCalendar() {
 }
-FWL_ERR IFWL_MonthCalendar::Initialize(IFWL_Widget* pOuter) {
-  CFWL_MonthCalendarImp* pMonthCalendarImpl = new CFWL_MonthCalendarImp(pOuter);
-  SetImpl(pMonthCalendarImpl);
-  pMonthCalendarImpl->SetInterface(this);
-  return pMonthCalendarImpl->Initialize();
-}
 FWL_ERR IFWL_MonthCalendar::Initialize(
     const CFWL_WidgetImpProperties& properties,
     IFWL_Widget* pOuter) {