[OSDOCS#17240]Removed air-gapped reference from ROSA HCP Whats new doc

[AedinC]

Version(s):
4.20+

Issue:
https://issues.redhat.com/browse/OSDOCS-17240

Link to docs preview:
What’s new for Red Hat OpenShift Service on AWS Q4 2025

Peer review:

• Peer reviewer has approved this change.

SME review:

• SME has approved this change.

QE review:

• QE approval is not required for this PR as no procedural changes involved.

Additional information:

[ocpdocs-previewbot]

🤖 Wed Nov 05 11:03:54 - Prow CI generated the docs preview:

https://101762--ocpdocs-pr.netlify.app/openshift-rosa-hcp/latest/rosa_release_notes/rosa-release-notes.html
https://101762--ocpdocs-pr.netlify.app/openshift-rosa/latest/rosa_release_notes/rosa-release-notes.html

[openshift-ci]

@AedinC: all tests passed!

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[AedinC]

@arendej Can you please review? Thanks.

[arendej]

lgtm

[fmcdonal]

LGTM, thanks Aedin

[AedinC]

/cherrypick enterprise-4.20

[AedinC]

/cherrypick enterprise-4.21

[openshift-cherrypick-robot]

@AedinC: new pull request created: #101900

In response to this:

/cherrypick enterprise-4.20

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes-sigs/prow repository.

[openshift-cherrypick-robot]

@AedinC: new pull request created: #101901

In response to this:

/cherrypick enterprise-4.21

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes-sigs/prow repository.