Unit tests: remove dead code from Neutron Autoscaling test
Unit tests: remove dead code from Neutron Autoscaling test

Change-Id: I6c8164ba4c382496ebb0f66a12c33060a1fa3912

rdo-management/heat,gonzolino/heat,cwolferh/heat-scratch,dims/heat,dragorosson/heat,steveb/heat,cwolferh/heat-scratch,maestro-hybrid-cloud/heat,maestro-hybrid-cloud/heat,srznew/heat,noironetworks/heat,pshchelo/heat,miguelgrinberg/heat,pratikmallya/heat,miguelgrinberg/heat,pshchelo/heat,srznew/heat,openstack/heat,noironetworks/heat,dragorosson/heat,rh-s/heat,jasondunsmore/heat,rdo-management/heat,jasondunsmore/heat,openstack/heat,rh-s/heat,gonzolino/heat,dims/heat,cryptickp/heat,takeshineshiro/heat,steveb/heat,pratikmallya/heat,cryptickp/heat,takeshineshiro/heat