BASE: restore check access

bzr revid: ced-be46c8c836697d8a708e37e15e08e8fd0e639fdb

bin/addons/base/ir/ir_model.py

@@ -87,7 +87,6 @@ class ir_model_access(osv.osv):
 		'perm_unlink': fields.boolean('Delete Permission'),
 	}
 	def check(self, cr, uid, model_name, mode='read'):
-		return True
 		assert mode in ['read','write','create','unlink'], 'Invalid access mode for security'
 		if uid==1:
 			return True