[API CHANGE] offapi: remove unused XSecurityController interface

This unpublished interface is not implemented by any C++ object in our
code and it's unlikely that 3rd-party code used it, so remove it.

Change-Id: Ide956c8a759ff8181dfd58351b79d4a011af50df

offapi/UnoApi_offapi.mk

@@ -4258,7 +4258,6 @@ $(eval $(call gb_UnoApi_add_idlfiles,offapi,com/sun/star/xml/crypto/sax,\
 	XSAXEventKeeper \
 	XSAXEventKeeperStatusChangeBroadcaster \
 	XSAXEventKeeperStatusChangeListener \
-	XSecurityController \
 	XSecuritySAXEventKeeper \
 	XSignatureCreationResultBroadcaster \
 	XSignatureCreationResultListener \

offapi/com/sun/star/xml/crypto/sax/XElementStackKeeper.idl

@@ -29,8 +29,6 @@ module com { module sun { module star { module xml { module crypto { module sax
 
 /**
  * Manipulate the "key SAX events" in a SAX event stream.
- *
- * @see   XSecurityController
  */
 interface XElementStackKeeper : com::sun::star::uno::XInterface
 {

offapi/com/sun/star/xml/crypto/sax/XSecurityController.idl

-/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
-/*
- * This file is part of the LibreOffice project.
- *
- * This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
- *
- * This file incorporates work covered by the following license notice:
- *
- *   Licensed to the Apache Software Foundation (ASF) under one or more
- *   contributor license agreements. See the NOTICE file distributed
- *   with this work for additional information regarding copyright
- *   ownership. The ASF licenses this file to you under the Apache
- *   License, Version 2.0 (the "License"); you may not use this file
- *   except in compliance with the License. You may obtain a copy of
- *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
- */
-
-#ifndef __com_sun_star_xml_crypto_sax_XSecurityController_idl_
-#define __com_sun_star_xml_crypto_sax_XSecurityController_idl_
-
-#include <com/sun/star/uno/XInterface.idl>
-#include <com/sun/star/uno/Exception.idl>
-#include <com/sun/star/xml/sax/XDocumentHandler.idl>
-#include <com/sun/star/io/XInputStream.idl>
-
-module com { module sun { module star { module xml { module crypto { module sax {
-
-/**
- * Interface of XML Security Controller
- * <p>
- * This interface is used to control security operations in the XML security framework.
- */
-interface XSecurityController : com::sun::star::uno::XInterface
-{
-};
-
-} ; } ; } ; } ; } ; } ;
-
-#endif
-
-/* vim:set shiftwidth=4 softtabstop=4 expandtab: */