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

xfa/src/fwl/src/basewidget/fwl_tooltipctrlimp.cpp

Index: xfa/src/fwl/src/basewidget/fwl_tooltipctrlimp.cpp
diff --git a/xfa/src/fwl/src/basewidget/fwl_tooltipctrlimp.cpp b/xfa/src/fwl/src/basewidget/fwl_tooltipctrlimp.cpp
index f9ae30fe7d89d4e257bd11cddfd29f9b4d8bdc7a..cbc27caf855d6247a76f5720579f498f82b4daab 100644
--- a/xfa/src/fwl/src/basewidget/fwl_tooltipctrlimp.cpp
+++ b/xfa/src/fwl/src/basewidget/fwl_tooltipctrlimp.cpp
@@ -14,12 +14,6 @@
 IFWL_ToolTip* IFWL_ToolTip::Create() {
   return new IFWL_ToolTip;
 }
-FWL_ERR IFWL_ToolTip::Initialize(IFWL_Widget* pOuter) {
-  CFWL_ToolTipImp* pToolTipImpl = new CFWL_ToolTipImp(pOuter);
-  SetImpl(pToolTipImpl);
-  pToolTipImpl->SetInterface(this);
-  return pToolTipImpl->Initialize();
-}
 FWL_ERR IFWL_ToolTip::Initialize(const CFWL_WidgetImpProperties& properties,
                                  IFWL_Widget* pOuter) {
   CFWL_ToolTipImp* pToolTipImpl = new CFWL_ToolTipImp(properties, pOuter);