[REM] website_membership: removed unnecessary override of product model

because published field on products are not used in membership website
module.

addons/website_membership/__init__.py

@@ -1,2 +1 @@
 import controllers
-import models

addons/website_membership/models/__init__.py

@@ -1 +0,0 @@
-import product

addons/website_membership/models/product.py

@@ -1,32 +0,0 @@
-# -*- coding: utf-8 -*-
-##############################################################################
-#
-#    OpenERP, Open Source Management Solution
-#    Copyright (C) 2013-Today OpenERP SA (<http://www.openerp.com>).
-#
-#    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/>.
-#
-##############################################################################
-
-from openerp.osv import osv, fields
-
-class product_template(osv.Model):
-    _inherit = 'product.template'
-
-    _columns = {
-        'website_published': fields.boolean('Available in the website', copy=False),
-    }
-    _defaults = {
-        'website_published': False,
-    }