Remove any hard-coded kernel default
Remove any hard-coded kernel default

This was done on some hosts for a time, but as part of the upgrade we
want the new kernel.

greghaynes/ursula,j2sol/ursula,nirajdp76/ursula,davidcusatis/ursula,aldevigi/ursula,persistent-ursula/ursula,lihkin213/ursula,ddaskal/ursula,twaldrop/ursula,twaldrop/ursula,j2sol/ursula,paulczar/ursula,ddaskal/ursula,dlundquist/ursula,jwaibel/ursula,edtubillara/ursula,blueboxgroup/ursula,masteinhauser/ursula,channus/ursula,aldevigi/ursula,ryshah/ursula,panxia6679/ursula,channus/ursula,narengan/ursula,nirajdp76/ursula,wupeiran/ursula,sivakom/ursula,channus/ursula,pgraziano/ursula,sivakom/ursula,wupeiran/ursula,msambol/ursula,narengan/ursula,pgraziano/ursula,persistent-ursula/ursula,narengan/ursula,ryshah/ursula,rongzhus/ursula,pbannister/ursula,masteinhauser/ursula,lihkin213/ursula,paulczar/ursula,msambol/ursula,j2sol/ursula,zrs233/ursula,paulczar/ursula,masteinhauser/ursula,persistent-ursula/ursula,ryshah/ursula,wupeiran/ursula,edtubillara/ursula,fancyhe/ursula,pgraziano/ursula,edtubillara/ursula,blueboxgroup/ursula,twaldrop/ursula,MaheshIBM/ursula,dlundquist/ursula,channus/ursula,allomov/ursula,rongzhus/ursula,allomov/ursula,greghaynes/ursula,rongzhus/ursula,zrs233/ursula,jwaibel/ursula,aldevigi/ursula,jwaibel/ursula,panxia6679/ursula,rongzhus/ursula,j2sol/ursula,davidcusatis/ursula,fancyhe/ursula,knandya/ursula,lihkin213/ursula,blueboxgroup/ursula,masteinhauser/ursula,knandya/ursula,ryshah/ursula,zrs233/ursula,blueboxgroup/ursula,persistent-ursula/ursula,narengan/ursula,ddaskal/ursula,fancyhe/ursula,panxia6679/ursula,davidcusatis/ursula,pbannister/ursula,greghaynes/ursula,ddaskal/ursula,kennjason/ursula,lihkin213/ursula,zrs233/ursula,sivakom/ursula,twaldrop/ursula,MaheshIBM/ursula,kennjason/ursula,MaheshIBM/ursula,panxia6679/ursula,kennjason/ursula,wupeiran/ursula,knandya/ursula,knandya/ursula,nirajdp76/ursula,fancyhe/ursula,allomov/ursula,dlundquist/ursula,msambol/ursula,edtubillara/ursula,pgraziano/ursula,pbannister/ursula,nirajdp76/ursula