devspec: remove unused VIRTFN_RE and re
devspec: remove unused VIRTFN_RE and re

Change-Id: If7a6a0211d73797e3d2e861bfecadc7b01f0072c

jianghuaw/nova,Juniper/nova,vmturbo/nova,openstack/nova,phenoxim/nova,klmitch/nova,cloudbase/nova,rajalokan/nova,klmitch/nova,rahulunair/nova,Juniper/nova,cloudbase/nova,Juniper/nova,vmturbo/nova,rajalokan/nova,mahak/nova,openstack/nova,vmturbo/nova,mikalstill/nova,klmitch/nova,mikalstill/nova,jianghuaw/nova,rahulunair/nova,gooddata/openstack-nova,rajalokan/nova,cloudbase/nova,jianghuaw/nova,mahak/nova,sebrandon1/nova,rajalokan/nova,sebrandon1/nova,rahulunair/nova,phenoxim/nova,alaski/nova,hanlind/nova,jianghuaw/nova,gooddata/openstack-nova,gooddata/openstack-nova,mikalstill/nova,alaski/nova,klmitch/nova,mahak/nova,gooddata/openstack-nova,sebrandon1/nova,hanlind/nova,Juniper/nova,openstack/nova,hanlind/nova,vmturbo/nova