[Trivial]remove unnecessary commna
[Trivial]remove unnecessary commna

Change-Id: Ie174e707adbc9ad668a2ad516e2cda11a8646b49
Closes-Bug: #1625566

BiznetGIO/horizon,NeCTAR-RC/horizon,bac/horizon,openstack/horizon,NeCTAR-RC/horizon,sandvine/horizon,sandvine/horizon,yeming233/horizon,openstack/horizon,bac/horizon,BiznetGIO/horizon,BiznetGIO/horizon,noironetworks/horizon,bac/horizon,ChameleonCloud/horizon,ChameleonCloud/horizon,bac/horizon,NeCTAR-RC/horizon,sandvine/horizon,ChameleonCloud/horizon,NeCTAR-RC/horizon,ChameleonCloud/horizon,openstack/horizon,noironetworks/horizon,BiznetGIO/horizon,yeming233/horizon,yeming233/horizon,sandvine/horizon,noironetworks/horizon,noironetworks/horizon,yeming233/horizon,openstack/horizon