packaging: setup: cleanup util.escape()
packaging: setup: cleanup util.escape()

Change-Id: Ib3ab7f2bd37c1b22235e623ed4dab506fc5d5a57
Signed-off-by: Alon Bar-Lev <2e3ceb4d37adc6ae3ccc00d3646e0e0a036ace03@redhat.com>

OpenUniversity/ovirt-engine,zerodengxinchao/ovirt-engine,eayun/ovirt-engine,yapengsong/ovirt-engine,eayun/ovirt-engine,halober/ovirt-engine,yapengsong/ovirt-engine,yapengsong/ovirt-engine,zerodengxinchao/ovirt-engine,walteryang47/ovirt-engine,zerodengxinchao/ovirt-engine,eayun/ovirt-engine,walteryang47/ovirt-engine,eayun/ovirt-engine,eayun/ovirt-engine,walteryang47/ovirt-engine,OpenUniversity/ovirt-engine,zerodengxinchao/ovirt-engine,yapengsong/ovirt-engine,yapengsong/ovirt-engine,zerodengxinchao/ovirt-engine,walteryang47/ovirt-engine,yingyun001/ovirt-engine,yingyun001/ovirt-engine,yingyun001/ovirt-engine,OpenUniversity/ovirt-engine,yingyun001/ovirt-engine,halober/ovirt-engine,halober/ovirt-engine,walteryang47/ovirt-engine,halober/ovirt-engine,yingyun001/ovirt-engine,OpenUniversity/ovirt-engine,OpenUniversity/ovirt-engine