Update references to provider-id format in documentation

[Amulyam24]

Recently, the provider ID format version v1 has been deprecated via #2122. By default, we set the version as v2 in the manager. Update the documentation for not setting it additionally as it is not required.

[Amulyam24]

/good-first-issue

[k8s-ci-robot]

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[pjsharath28]

/assign

[Prajyot-Parab]

@Amulyam24 I think this can be handled via #2168 itself, please drop your review comments there.
thanks!

[Amulyam24]

Handled via #2168