refactor: remove unused code: ShouldReplay field and ResetCache methods

[eguguchkin]

Fixes #240

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• I have read and followed all requirements in CONTRIBUTING.md;
• I used LLM/AI assistance to make this pull request;

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 71.96%. Comparing base (5888583) to head (66d42b5).

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #241      +/-   ##
==========================================
+ Coverage   71.88%   71.96%   +0.07%     
==========================================
  Files         199      199              
  Lines       14570    14558      -12     
==========================================
+ Hits        10474    10476       +2     
+ Misses       3362     3349      -13     
+ Partials      734      733       -1     

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