Update redhat base.list to remove now-redundant package and repository declarations.
Update redhat base.list to remove now-redundant package and repository declarations.

toabctl/crowbar,rsalevsky/crowbar,mmnelemane/crowbar,aplanas/crowbar,MaximilianMeister/crowbar,aspiers/crowbar,vwallfahrer/crowbar,rhafer/crowbar,tserong/crowbar,rhafer/crowbar,toabctl/crowbar,nkrinner/crowbar,SUSE-Cloud/crowbar,SUSE-Cloud/crowbar,nkrinner/crowbar,vwallfahrer/crowbar,dirkmueller/crowbar,dirkmueller/crowbar,rsalevsky/crowbar,crowbar/crowbar,MaximilianMeister/crowbar,mmnelemane/crowbar,rhafer/crowbar,aplanas/crowbar,crowbar/crowbar,aspiers/crowbar,tserong/crowbar