Remove various undefined/unused functions

[droidmonkey]

Remove undefined functions, cleanup code.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 63.76%. Comparing base (35fdcfa) to head (ff921e6). Report is 4 commits behind head on develop.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop   #10279      +/-   ##
===========================================
+ Coverage    63.73%   63.76%   +0.03%     
===========================================
  Files          362      362              
  Lines        44012    44012              
===========================================
+ Hits         28051    28064      +13     
+ Misses       15961    15948      -13     

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