Switch to using os-testr's copy of subunit2html
Switch to using os-testr's copy of subunit2html

Since Ib65c41fc5f137eedb21fccfcee1e96b6990ae30d removes the local
jenkins slave script copy of subunit2html we must start using the
version packaged in os-testr.

Change-Id: I7b7908986eb503a0d2ae8e2365b34516e6e68f92

apporc/neutron,shahbazn/neutron,silenci/neutron,yanheven/neutron,igor-toga/local-snat,noironetworks/neutron,eayunstack/neutron,MaximNevrov/neutron,skyddv/neutron,sebrandon1/neutron,bigswitch/neutron,JianyuWang/neutron,vivekanand1101/neutron,klmitch/neutron,noironetworks/neutron,apporc/neutron,sebrandon1/neutron,takeshineshiro/neutron,mattt416/neutron,igor-toga/local-snat,klmitch/neutron,vivekanand1101/neutron,chitr/neutron,glove747/liberty-neutron,sasukeh/neutron,glove747/liberty-neutron,skyddv/neutron,mmnelemane/neutron,huntxu/neutron,shahbazn/neutron,openstack/neutron,cloudbase/neutron,openstack/neutron,SamYaple/neutron,chitr/neutron,yanheven/neutron,dims/neutron,asgard-lab/neutron,swdream/neutron,silenci/neutron,dims/neutron,wolverineav/neutron,openstack/neutron,SamYaple/neutron,wolverineav/neutron,mahak/neutron,cloudbase/neutron,dhanunjaya/neutron,mattt416/neutron,dhanunjaya/neutron,JianyuWang/neutron,jumpojoy/neutron,asgard-lab/neutron,eayunstack/neutron,MaximNevrov/neutron,takeshineshiro/neutron,sasukeh/neutron,mahak/neutron,swdream/neutron,bigswitch/neutron,mmnelemane/neutron,huntxu/neutron,jumpojoy/neutron,mahak/neutron