Fix license header in plugin.cc

efp_gamess/plugin.cc

@@ -1,31 +1,6 @@
-/*
- * @BEGIN LICENSE
- *
- * gamess_h5 by Psi4 Developer, a plugin to:
- *
- * Psi4: an open-source quantum chemistry software package
- *
- * Copyright (c) 2007-2017 The Psi4 Developers.
- *
- * The copyrights for code used from other parties are included in
- * the corresponding files.
- *
- * This file is part of Psi4.
- *
- * Psi4 is free software; you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation, version 3.
- *
- * Psi4 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 Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with Psi4; if not, write to the Free Software Foundation, Inc., 51
- * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * @END LICENSE
+/* 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 https://mozilla.org/MPL/2.0/. 
  */
 
 #include <memory>