Simplify pull_requests_prep.
Simplify pull_requests_prep.

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