[enterprise-4.15] OCPBUGS-54741: Removed balance-tlb references from Agent Installer docs

[dfitzmau]

Cherry pick of #97672 with commit 868c0ea

Version(s):
4.15

Issue:
OCPBUGS-54741

Link to docs preview:

[openshift-ci-robot]

@dfitzmau: This pull request references Jira Issue OCPBUGS-54741, which is invalid:

• release note text must be set and not match the template OR release note type must be set to "Release Note Not Required". For more information you can reference the OpenShift Bug Process.
• expected Jira Issue OCPBUGS-54741 to depend on a bug in one of the following states: VERIFIED, RELEASE PENDING, CLOSED (ERRATA), CLOSED (CURRENT RELEASE), CLOSED (DONE), CLOSED (DONE-ERRATA), but no dependents were found

Comment /jira refresh to re-evaluate validity if changes to the Jira bug are made, or edit the title of this pull request to link to a different bug.

The bug has been updated to refer to the pull request using the external bug tracker.

In response to this:

Version(s):

Issue:

Link to docs preview:

QE review:

• QE has approved this change.

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[ocpdocs-previewbot]

🤖 Tue Aug 19 13:19:19 - Prow CI generated the docs preview:

https://97743--ocpdocs-pr.netlify.app/openshift-enterprise/latest/installing/installing_bare_metal_ipi/ipi-install-installation-workflow.html
https://97743--ocpdocs-pr.netlify.app/openshift-enterprise/latest/installing/installing_with_agent_based_installer/preparing-to-install-with-agent-based-installer.html

[openshift-ci]

@dfitzmau: all tests passed!

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[openshift-ci-robot]

@dfitzmau: Jira Issue OCPBUGS-54741 is in an unrecognized state (MODIFIED) and will not be moved to the MODIFIED state.

In response to this:

Cherry pick of #97672 with commit 868c0ea

Version(s):
4.15

Issue:
OCPBUGS-54741

Link to docs preview:

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 openshift-eng/jira-lifecycle-plugin repository.