Update default user data to be worker-user-data-managed

[enxebre]

This openshift/installer#3730 changed the name of the userdata generated by the installer to satisfy MCO ign v2 -> v3 migration and let the new secret be under mco management. openshift/enhancements#368.

[alexander-demicev]

/approve

[openshift-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: alexander-demichev

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[JoelSpeed]

/lgtm

[enxebre]

/test e2e-aws-operator

[openshift-ci-robot]

@enxebre: The following tests failed, say /retest to rerun all failed tests:

Test name	Commit	Details	Rerun command
ci/prow/e2e-azure-operator	765b29b	link	/test e2e-azure-operator
ci/prow/e2e-gcp-operator	765b29b	link	/test e2e-gcp-operator

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[openshift-bot]

/retest

Please review the full test history for this PR and help us cut down flakes.