Delete unused

[takapi327]

Implementation Details

Fixes

Fixes #xxxxx

Pull Request Checklist

• Wrote unit and integration tests
• Linked to Github issue with discussion and accepted design OR link to spec that describes this work.
• Code formatting by scalafmt (sbt scalafmtAll command execution)
• Add copyright headers to new files

References

[codecov-commenter]

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Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 85.22%. Comparing base (5223ce1) to head (5ae5029).
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Additional details and impacted files

@@            Coverage Diff             @@
##           master     #578      +/-   ##
==========================================
- Coverage   85.51%   85.22%   -0.30%     
==========================================
  Files         192      192              
  Lines       10448    10470      +22     
  Branches     1007     1048      +41     
==========================================
- Hits         8935     8923      -12     
- Misses       1513     1547      +34     

Flag	Coverage Δ
3.3.7	85.64% <ø> (+0.20%)	⬆️
3.7.3	85.75% <ø> (+0.28%)	⬆️

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