Don't normalize azure vmss

[Daniel-Redeploy]

What type of PR is this?

/kind bug

What this PR does / why we need it:

Fixes Cluster API Machine name normalization issue that break auto-scaling of Azure VMSS MachinePool resources.

Which issue(s) this PR fixes:

Fixes #6397

Special notes for your reviewer:

Does this PR introduce a user-facing change?

NONE

Additional documentation e.g., KEPs (Kubernetes Enhancement Proposals), usage docs, etc.:

[linux-foundation-easycla]

• ✅login: Daniel-Redeploy / (b5d8407)
• ✅login: Daniel-Redeploy / (b5d8407, ef76ba7)

The committers listed above are authorized under a signed CLA.

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[mwielgus]

/lgtm
/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: Daniel-Redeploy, mwielgus

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