fix: Removes unused cache cleanup

[michael-s-molina]

SUMMARY

Follow-up of #26349 to remove unused cache cleanup functions. Fixes #26349 (comment).

TESTING INSTRUCTIONS

CI should be sufficient.

ADDITIONAL INFORMATION

• Has associated issue:
• Required feature flags:
• Changes UI
• Includes DB Migration (follow approval process in SIP-59)
  • Migration is atomic, supports rollback & is backwards-compatible
  • Confirm DB migration upgrade and downgrade tested
  • Runtime estimates and downtime expectations provided
• Introduces new feature or API
• Removes existing feature or API

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (8e19f59) 69.06% compared to head (abe74b8) 69.06%.
Report is 5 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master   #26648      +/-   ##
==========================================
- Coverage   69.06%   69.06%   -0.01%     
==========================================
  Files        1930     1930              
  Lines       75309    75288      -21     
  Branches     8429     8429              
==========================================
- Hits        52013    51997      -16     
+ Misses      21149    21144       -5     
  Partials     2147     2147              

Flag	Coverage Δ
hive	53.57% <ø> (-0.02%)	⬇️
mysql	77.85% <ø> (-0.05%)	⬇️
postgres	77.95% <ø> (-0.05%)	⬇️
presto	53.52% <ø> (-0.02%)	⬇️
python	82.75% <ø> (+<0.01%)	⬆️
sqlite	77.53% <ø> (-0.05%)	⬇️
unit	55.98% <ø> (-0.01%)	⬇️

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