qa_crowbarsetup: omit debug on swift
qa_crowbarsetup: omit debug on swift

this hurt performance so much that the test failed
when booting a VM took 9 minutes

gosipyan/automation,gosipyan/automation,vmoravec/automation,vmoravec/automation,aspiers/automation,aspiers/automation,vmoravec/automation,SUSE-Cloud/automation,SUSE-Cloud/automation,aspiers/automation,vmoravec/automation,SUSE-Cloud/automation,gosipyan/automation,SUSE-Cloud/automation,aspiers/automation,gosipyan/automation