[enterprise-4.14] Updates cluster MTU change docs for correct output

[stevsmit]

xref: #75195

cherry picked from: b8df70d

[ocpdocs-previewbot]

🤖 Mon Apr 29 18:49:50 - Prow CI generated the docs preview:

https://75302--ocpdocs-pr.netlify.app/openshift-enterprise/latest/networking/changing-cluster-network-mtu.html
https://75302--ocpdocs-pr.netlify.app/openshift-enterprise/latest/post_installation_configuration/aws-compute-edge-tasks.html

[openshift-ci]

@stevsmit: all tests passed!

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[stevsmit]

/cherry-pick enterprise-4.13

[openshift-cherrypick-robot]

@stevsmit: #75302 failed to apply on top of branch "enterprise-4.13":

Applying: Updates cluster MTU change docs for correct output
Using index info to reconstruct a base tree...
M	modules/nw-cluster-mtu-change.adoc
Falling back to patching base and 3-way merge...
Auto-merging modules/nw-cluster-mtu-change.adoc
CONFLICT (content): Merge conflict in modules/nw-cluster-mtu-change.adoc
error: Failed to merge in the changes.
hint: Use 'git am --show-current-patch=diff' to see the failed patch
Patch failed at 0001 Updates cluster MTU change docs for correct output
When you have resolved this problem, run "git am --continue".
If you prefer to skip this patch, run "git am --skip" instead.
To restore the original branch and stop patching, run "git am --abort".

In response to this:

/cherry-pick enterprise-4.13

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.