remove unused functions

[AkosuaA]

No description provided.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 99.59%. Comparing base (4a40ad2) to head (3a17735).
⚠️ Report is 2 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #4905      +/-   ##
==========================================
- Coverage   99.61%   99.59%   -0.03%     
==========================================
  Files        1237     1237              
  Lines       27630    27588      -42     
  Branches     9005     8990      -15     
==========================================
- Hits        27523    27475      -48     
- Misses        107      113       +6     

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