Fix header to short version

partner_contact_birthdate/__openerp__.py

@@ -1,20 +1,6 @@
 # -*- coding: utf-8 -*-
-
-# Odoo, Open Source Management Solution
-# Copyright (C) 2014-2015  Grupo ESOC <www.grupoesoc.es>
-#
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU Affero General Public License as published by
-# the Free Software Foundation, either version 3 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 Affero General Public License for more details.
-#
-# You should have received a copy of the GNU Affero General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+# © <YEAR(S)> <AUTHOR(S)>
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
 
 {
     "name": "Contact's birthdate",