chore: remove unused files

[ricardogarim]

Removes orphaned files after moving business logic to services.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 78.98%. Comparing base (d092133) to head (f76bfcd).
Report is 1 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff             @@
##             main      #20       +/-   ##
===========================================
+ Coverage   63.31%   78.98%   +15.67%     
===========================================
  Files          25       17        -8     
  Lines        1829     1023      -806     
===========================================
- Hits         1158      808      -350     
+ Misses        671      215      -456     

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