Forward migration scripts from OCA#309 OCA#328

Author: dzungtran89

…/migrations/13.0.3.8.0/post-migration.py …/migrations/15.0.1.1.0/post-migration.pyqueue_job/migrations/13.0.3.8.0/post-migration.py renamed to queue_job/migrations/15.0.1.1.0/post-migration.py queue_job/migrations/13.0.3.8.0/post-migration.py renamed to queue_job/migrations/15.0.1.1.0/post-migration.py

@@ -1,11 +1,7 @@
 # License LGPL-3.0 or later (http://www.gnu.org/licenses/lgpl.html)
 
-import logging
-
 from odoo.tools.sql import column_exists
 
-_logger = logging.getLogger(__name__)
-
 
 def migrate(cr, version):
     if not column_exists(cr, "queue_job", "exec_time"):