Cleanup various IFX_ text interfaces.

xfa/fgas/localization/fgas_locale.cpp

Index: xfa/fgas/localization/fgas_locale.cpp
diff --git a/xfa/fgas/localization/fgas_locale.cpp b/xfa/fgas/localization/fgas_locale.cpp
index 5f7074fc1c57f9ca9f7efdb2016c9336b88ae6d6..1ef92f0d5fcf4cf6ea210189ce1996d10b34a4a9 100644
--- a/xfa/fgas/localization/fgas_locale.cpp
+++ b/xfa/fgas/localization/fgas_locale.cpp
@@ -456,13 +456,6 @@ CFX_WideString CFX_LCNumeric::ToString(int32_t nTreading,
   return wsResult;
 }
 
-IFX_FormatString* IFX_FormatString::Create(IFX_LocaleMgr* pLocaleMgr,
-                                           FX_BOOL bUseLCID) {
-  if (!pLocaleMgr) {
-    return NULL;
-  }
-  return new CFX_FormatString(pLocaleMgr, bUseLCID);
-}
 CFX_FormatString::CFX_FormatString(IFX_LocaleMgr* pLocaleMgr, FX_BOOL bUseLCID)
     : m_pLocaleMgr(pLocaleMgr), m_bUseLCID(bUseLCID) {}
 CFX_FormatString::~CFX_FormatString() {}