Removed license text.

DocService/CanvasService.ashx

 <%@ WebHandler Language="C#" CodeBehind="CanvasService.ashx.cs" Class="DocService.CanvasService" %>
-/*
- * (c) Copyright Ascensio System SIA 2010-2015
- *
- * This program is a free software product. You can redistribute it and/or 
- * modify it under the terms of the GNU Affero General Public License (AGPL) 
- * version 3 as published by the Free Software Foundation. In accordance with 
- * Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect 
- * that Ascensio System SIA expressly excludes the warranty of non-infringement
- * of any third-party rights.
- *
- * This program is distributed WITHOUT ANY WARRANTY; without even the implied 
- * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR  PURPOSE. For 
- * details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
- *
- * You can contact Ascensio System SIA at Lubanas st. 125a-25, Riga, Latvia,
- * EU, LV-1021.
- *
- * The  interactive user interfaces in modified source and object code versions
- * of the Program must display Appropriate Legal Notices, as required under 
- * Section 5 of the GNU AGPL version 3.
- *
- * Pursuant to Section 7(b) of the License you must retain the original Product
- * logo when distributing the program. Pursuant to Section 7(e) we decline to
- * grant you any rights under trademark law for use of our trademarks.
- *
- * All the Product's GUI elements, including illustrations and icon sets, as
- * well as technical writing content are licensed under the terms of the
- * Creative Commons Attribution-ShareAlike 4.0 International. See the License
- * terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
- *
- */