Currently must gather script is getting run twice.
https://gitlab.cee.redhat.com/app-mig/oadp-e2e-qe/-/blob/master/test_settings/scripts/test_runner.sh#L113
https://gitlab.cee.redhat.com/app-mig/oadp-e2e-qe/-/blob/master/e2e/e2e_suite_test.go#L41
Remove duplicate code and make this field optional as not very much helpful for writing new automation.