Temporarily disable custom labels

[JGreenlee]

This implementation has bugs (it makes a network call every time a label is input) There will be a new implementation next release; disabling this one for now

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 30.02%. Comparing base (f256364) to head (967bd82).
Report is 6 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1170      +/-   ##
==========================================
+ Coverage   30.01%   30.02%   +0.01%     
==========================================
  Files         118      118              
  Lines        5184     5182       -2     
  Branches     1162     1114      -48     
==========================================
  Hits         1556     1556              
  Misses       3624     3624              
+ Partials        4        2       -2     

Flag	Coverage Δ
unit	30.02% <ø> (+0.01%)	⬆️

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Files with missing lines	Coverage Δ
www/js/App.tsx	0.00% <ø> (ø)
www/js/control/ProfileSettings.tsx	0.00% <ø> (ø)
www/js/survey/multilabel/MultiLabelButtonGroup.tsx	0.00% <ø> (ø)

... and 1 file with indirect coverage changes