qa_crowbarsetup: cleanup for a19d349ceb3c
qa_crowbarsetup: cleanup for a19d349ceb3c

In double braces there is no need for quotes and no need for -z or -n.
Its just [[ $a ]] or [[ ! $a ]] .

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