Remove redundant parameter from EngineService
Remove redundant parameter from EngineService

init of EngineService has a parameter manager which is never
used anywhere.

Change-Id: I6b384dc75551c72eb636af325104c5e634dc63a6

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