Remove unused code

[devmotion]

Fixes #2311.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 86.85%. Comparing base (07cc40b) to head (65dd7f3).
Report is 1 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2312      +/-   ##
==========================================
+ Coverage   85.77%   86.85%   +1.08%     
==========================================
  Files          24       24              
  Lines        1617     1598      -19     
==========================================
+ Hits         1387     1388       +1     
+ Misses        230      210      -20     

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[coveralls]

Pull Request Test Coverage Report for Build 10623277793

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+1.1%) to 87.077%

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Totals
Change from base Build 10322735917:	1.1%
Covered Lines:	1388
Relevant Lines:	1594

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💛 - Coveralls

[sunxd3]

Thanks