cleanup nova-compute service update code.
cleanup nova-compute service update code.

nirajdp76/ursula,knandya/ursula,pgraziano/ursula,pgraziano/ursula,knandya/ursula,edtubillara/ursula,wupeiran/ursula,fancyhe/ursula,edtubillara/ursula,lihkin213/ursula,blueboxgroup/ursula,pgraziano/ursula,nirajdp76/ursula,wupeiran/ursula,edtubillara/ursula,knandya/ursula,pgraziano/ursula,fancyhe/ursula,lihkin213/ursula,fancyhe/ursula,nirajdp76/ursula,lihkin213/ursula,knandya/ursula,wupeiran/ursula,wupeiran/ursula,fancyhe/ursula,blueboxgroup/ursula,blueboxgroup/ursula,blueboxgroup/ursula,edtubillara/ursula,nirajdp76/ursula,lihkin213/ursula