XFA unused function cleanup

xfa/fxfa/parser/xfa_script_signaturepseudomodel.cpp

 // Copyright 2014 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
 #include "xfa/fxfa/parser/xfa_script_signaturepseudomodel.h"
 
 #include "xfa/fxfa/app/xfa_ffnotify.h"
 #include "xfa/fxfa/fm2js/xfa_fm2jsapi.h"
-#include "xfa/fxfa/parser/xfa_docdata.h"
 #include "xfa/fxfa/parser/xfa_doclayout.h"
 #include "xfa/fxfa/parser/xfa_document.h"
 #include "xfa/fxfa/parser/xfa_localemgr.h"
 #include "xfa/fxfa/parser/xfa_object.h"
 #include "xfa/fxfa/parser/xfa_parser.h"
 #include "xfa/fxfa/parser/xfa_parser_imp.h"
 #include "xfa/fxfa/parser/xfa_script.h"
 #include "xfa/fxfa/parser/xfa_script_imp.h"
 #include "xfa/fxfa/parser/xfa_utils.h"
 #include "xfa/fxjse/cfxjse_arguments.h"
@@ skipping 96 matching lines @@
   }
   if (iLength >= 2) {
     bClear = pArguments->GetInt32(1) == 0 ? FALSE : TRUE;
   }
   FX_BOOL bFlag = pNotify->GetDocProvider()->Clear(hDoc, pNode, bClear);
   FXJSE_HVALUE hValue = pArguments->GetReturnValue();
   if (hValue) {
     FXJSE_Value_SetBoolean(hValue, bFlag);
   }
 }