chore: Remove unused YamlHistory model

[ElioDiNino]

Supersedes #278

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 94.34%. Comparing base (4854b01) to head (3422bfb).

✅ All tests successful. No failed tests found.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #281      +/-   ##
==========================================
- Coverage   94.35%   94.34%   -0.01%     
==========================================
  Files        1223     1223              
  Lines       45310    45288      -22     
  Branches     1441     1441              
==========================================
- Hits        42751    42729      -22     
  Misses       2258     2258              
  Partials      301      301              

Flag	Coverage Δ
apiunit	96.49% <ø> (-0.01%)	⬇️
sharedintegration	40.14% <0.00%> (-0.09%)	⬇️
sharedunit	88.64% <100.00%> (-0.01%)	⬇️
workerintegration	61.63% <ø> (ø)
workerunit	90.61% <ø> (ø)

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[codecov-notifications]

Codecov Report

All modified and coverable lines are covered by tests ✅

✅ All tests successful. No failed tests found.

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[codspeed-hq]

CodSpeed Performance Report

Merging #281 will not alter performance

_{Comparing ElioDiNino/remove-yaml-history (3422bfb) with main (4854b01)}

Summary

✅ 9 untouched benchmarks