chore: Remove unused stuff related to Storybook

[tassoevan]

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[dionisio-bot]

Looks like this PR is not ready to merge, because of the following issues:

• This PR is missing the 'stat: QA assured' label

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[changeset-bot]

⚠️ No Changeset found

Latest commit: 9de62fa

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[github-actions]

PR Preview Action v1.4.8
🚀 Deployed preview to https://RocketChat.github.io/Rocket.Chat/pr-preview/pr-33588/
on branch gh-pages at 2024-10-15 16:57 UTC

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 74.79%. Comparing base (8649fb4) to head (9de62fa).
Report is 1 commits behind head on release-7.0.0.

Additional details and impacted files

@@                Coverage Diff                @@
##           release-7.0.0   #33588      +/-   ##
=================================================
- Coverage          74.80%   74.79%   -0.02%     
=================================================
  Files                468      467       -1     
  Lines              20678    20641      -37     
  Branches            5275     5262      -13     
=================================================
- Hits               15469    15439      -30     
+ Misses              4594     4590       -4     
+ Partials             615      612       -3     

Flag	Coverage Δ
unit	74.79% <ø> (-0.02%)	⬇️

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