Accessing Virtual Machines: Switch to cloudInitNoCloud

[0xFelix]

What this PR does / why we need it:

Replace instances of cloudInitConfigDrive / configDrive with cloudInitNoCloud / noCloud, since cloud-init NoCloud is the preferred way to deliver cloud-init configuration data and it is now supported by the access credentials api.

Which issue(s) this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close the issue(s) when PR gets merged): Fixes #

Special notes for your reviewer:

Checklist

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• [x] Design: A design document was considered and is present (link) or not required
• [x] PR: The PR description is expressive enough and will help future contributors
• [x] Code: Write code that humans can understand and Keep it simple
• [x] Refactor: You have left the code cleaner than you found it (Boy Scout Rule)
• [x] Upgrade: Impact of this change on upgrade flows was considered and addressed if required
• [x] Testing: New code requires new unit tests. New features and bug fixes require at least on e2e test
• [x] Documentation: A user-guide update was considered and is present (link) or not required. You want a user-guide update if it's a user facing feature / API change.
• [x] Community: Announcement to kubevirt-dev was considered

Release note:

None

[kubevirt-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: cwilkers

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