Revert "Added the following exception:"

This reverts commit e6407258.

castor/exception/DetachFailed.cpp

-/******************************************************************************
- *                      DetachFailed.cpp
- *
- * This file is part of the Castor project.
- * See http://castor.web.cern.ch/castor
- *
- * Copyright (C) 2003  CERN
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- * 
- *
- * @author Castor Dev team, castor-dev@cern.ch
- *****************************************************************************/
-
-#include "castor/exception/DetachFailed.hpp"
-#include "h/serrno.h"
-
-
-// -----------------------------------------------------------------------------
-// Constructor
-// -----------------------------------------------------------------------------
-castor::exception::DetachFailed::DetachFailed():
-  castor::exception::Exception(SEDETACHFAILED) {
-}

castor/exception/DetachFailed.hpp

-/******************************************************************************
- *                      DetachFailed.hpp
- *
- * This file is part of the Castor project.
- * See http://castor.web.cern.ch/castor
- *
- * Copyright (C) 2003  CERN
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- *
- *
- * @author Castor Dev team, castor-dev@cern.ch
- *****************************************************************************/
-
-#ifndef CASTOR_EXCEPTION_DETACHFAILED_HPP 
-#define CASTOR_EXCEPTION_DETACHFAILED_HPP 1
-
-#include "castor/exception/Exception.hpp"
-
-namespace castor { namespace exception {
-
-    /**
-     * DetachFailed.
-     */
-    class DetachFailed : public castor::exception::Exception {
-      
-    public:
-      
-      /**
-       * Constructor
-       */
-      DetachFailed();
-
-    }; // class DetachFailed
-
-} } // namespace castor exception
-
-#endif // CASTOR_EXCEPTION_DETACHFAILED_HPP