upgrade_cloudsource no longer to be passed
upgrade_cloudsource no longer to be passed

Since we are not using upgrade_cloudsource variable in
qa_crowbarsetup.sh anymore, we don't need to pass it as an export during
sshrun.

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