[CI] Lighthouse: Remove Deprecated Tests

[leecalcote]

mainthread-work-breakdown <https://developer.chrome.com/docs/lighthouse/performance/lighthouse-max-potential-fid/|has been deprecated>. Please remove <https://github.com/layer5io/layer5/actions/runs/5033275394/jobs/9027412150?pr=4258#step:6:149|this test>.

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[stale[bot]]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

[abhijeetgauravm]

Is this issue still valid. If its not we can close this issue ?

[Shivkant-Chauhan]

hey @leecalcote the links in issue desc. are not working. can you please point with some latest links if this issue is still valid, also assign me in that case -- I would like to work on this issue. thanks!