[CLEAN] mail_group: removed mail_post_access modification because it is

not necessary anymore. It was probably added with the first implementation
of the blog.

bzr revid: tde@openerp.com-20131206100131-smjfud6f8dv5dy5l

addons/mail/mail_group.py

@@ -34,7 +34,6 @@ class mail_group(osv.Model):
     _mail_flat_thread = False
     _inherit = ['mail.thread']
     _inherits = {'mail.alias': 'alias_id'}
-    _mail_post_access = 'read'
 
     def _get_image(self, cr, uid, ids, name, args, context=None):
         result = dict.fromkeys(ids, False)