Updates for BZ2075009

[rohennes]

BZ 2075009: Removed the first step of the procedure as hiveagent feature gate is no longer required for hive + assisted installer.

Version(s):
Merge to main. Enterprise 4.10 and 4.11.

Issue:
https://bugzilla.redhat.com/show_bug.cgi?id=2075009

Link to docs preview:
https://deploy-preview-45572--osdocs.netlify.app/openshift-enterprise/latest/scalability_and_performance/ztp-deploying-disconnected.html#enabling-assisted-installer-service-on-bare-metal_ztp-deploying-disconnected

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[chadcrum]

/lgtm

[2uasimojo]

/lgtm
from hive team.

[mburke5678]

/lgtm

[mburke5678]

/cherrypick enterprise-4.10

[mburke5678]

/cherrypick enterprise-4.11

[openshift-cherrypick-robot]

@mburke5678: new pull request created: #45666

In response to this:

/cherrypick enterprise-4.10

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/test-infra repository.

[openshift-cherrypick-robot]

@mburke5678: new pull request created: #45667

In response to this:

/cherrypick enterprise-4.11

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/test-infra repository.