fixed handling of default setters/getters in IndentationCheck

[AlexHaxe]

cleanup

[codecov-io]

Codecov Report

Merging #391 into dev will increase coverage by 0.05%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##              dev     #391      +/-   ##
==========================================
+ Coverage   88.66%   88.71%   +0.05%     
==========================================
  Files         120      120              
  Lines        7825     7853      +28     
  Branches      306      305       -1     
==========================================
+ Hits         6938     6967      +29     
  Misses        624      624              
+ Partials      263      262       -1

Impacted Files	Coverage Δ
...c/checkstyle/checks/whitespace/IndentationCheck.hx	98.76% <100%> (+0.16%)	⬆️
src/checkstyle/token/TokenTree.hx	92.59% <0%> (+0.92%)	⬆️

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