refactor(timetable-row): remove service product logic

[WalkingOS]

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Does this introduce a breaking change?

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Other information

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

❗ No coverage uploaded for pull request base (main@3eefbea). Click here to learn what that means.

❗ Current head 0d6a968 differs from pull request most recent head caa59d4. Consider uploading reports for the commit caa59d4 to get more accurate results

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Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2509   +/-   ##
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  Coverage        ?   93.71%           
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  Files           ?      298           
  Lines           ?    24315           
  Branches        ?     2016           
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  Hits            ?    22788           
  Misses          ?     1498           
  Partials        ?       29           

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[jeripeierSBB]

Can't say anything about the business logic, but looks good