Remove unused attributes.

git-svn-id: https://svn.erp5.org/repos/neo/trunk@1382 71dcc9de-d417-0410-9af5-da40c76e7ee4

neo/storage/mysqldb.py

@@ -43,7 +43,6 @@ class MySQLDatabaseManager(DatabaseManager):
         self.db = kwargs['database']
         self.user = kwargs['user']
         self.passwd = kwargs.get('password')
-        self.under_transaction = False
         self.conn = None
         self.connect()
         super(MySQLDatabaseManager, self).__init__(**kwargs)