remove unused imports

report_xls/ir_report.py

@@ -20,7 +20,7 @@
 #
 ##############################################################################
 
-from openerp.osv import fields, orm
+from openerp.osv import orm
 
 
 class ir_actions_report_xml(orm.Model):

report_xls/report_xls.py

@@ -28,9 +28,8 @@ from openerp.osv.fields import datetime as datetime_field
 from openerp.tools import DEFAULT_SERVER_DATETIME_FORMAT
 import inspect
 from types import CodeType
-from openerp.report.report_sxw import *
+from openerp.report.report_sxw import report_sxw
 from openerp import pooler
-from openerp.tools.translate import translate, _
 import logging
 _logger = logging.getLogger(__name__)