Remove metrics references from docs

[kaushikb11]

What does this PR do?

Remove metrics references from docs

Does your PR introduce any breaking changes? If yes, please list them.

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[github-actions]

Build Error! No Linked Issue found. Please link an issue or mention it in the body using #<issue_id>

[github-actions]

Build Error! No Linked Issue found. Please link an issue or mention it in the body using #<issue_id>

[github-actions]

Build Error! No Linked Issue found. Please link an issue or mention it in the body using #<issue_id>

[codecov]

Codecov Report

Merging #10567 (4db37f1) into master (eb13e1d) will decrease coverage by 4%.
The diff coverage is n/a.

❗ Current head 4db37f1 differs from pull request most recent head b20a503. Consider uploading reports for the commit b20a503 to get more accurate results

@@           Coverage Diff            @@
##           master   #10567    +/-   ##
========================================
- Coverage      92%      88%    -4%     
========================================
  Files         177      178     +1     
  Lines       16290    16248    -42     
========================================
- Hits        14948    14277   -671     
- Misses       1342     1971   +629     

[ananthsub]

@kaushikb11 is there an issue for the docs revamp? It'd be nice to link all the PRs to that issue to see all the improvements made

[kaushikb11]

Hey @ananthsub,

This sprint, we will be working on a proposal for a better docs structure. The original PR is here by Eden #7718 which was long back.

[tchaton]

LGTM !