core: stdcm: minor cleanup + bugfix

[eckter]

• Fix formatting of edge / node comments. It got weird when going to java to kotlin, then worse with the auto-formatter
• Remove unused fields in STDCMEdge
• Small bugfix on V1 with time since departure

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 28.54%. Comparing base (0c3db4e) to head (1a4cce2).
Report is 1 commits behind head on dev.

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Additional details and impacted files

@@             Coverage Diff              @@
##                dev    #7869      +/-   ##
============================================
- Coverage     28.54%   28.54%   -0.01%     
- Complexity     2059     2060       +1     
============================================
  Files          1249     1249              
  Lines        154130   154183      +53     
  Branches       3040     3041       +1     
============================================
+ Hits          44003    44006       +3     
- Misses       108313   108363      +50     
  Partials       1814     1814              

Flag	Coverage Δ
core	74.96% <100.00%> (-0.05%)	⬇️
editoast	71.64% <ø> (-0.11%)	⬇️
front	10.01% <ø> (+<0.01%)	⬆️
gateway	2.34% <ø> (ø)
railjson_generator	87.49% <ø> (ø)
tests	72.93% <ø> (-0.24%)	⬇️

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[Erashin]

Ty for the catch, had not thought to run the v1 benchmark on my previous pr.