delete Helper class definitely

3 jobs for master in 2 minutes and 20 seconds (queued for 1 second)
Name Stage Failure
failed
test-sbt Test
[error] /builds/memoriav/memobase-2020/services/postprocessing/rico-edm-transformer/src/main/scala/ch/memobase/rico2edm/edm/subjects/ProvidedCHO.scala:24:8: object Helper is not a member of package ch.memobase.rico2edm.rdf
[error] import ch.memobase.rico2edm.rdf.Helper
[error] ^
[error] one error found
[error] (Compile / compileIncremental) Compilation failed
[error] Total time: 34 s, completed Apr 9, 2021, 5:59:06 AM
Running after_script
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ERROR: Job failed: exit code 1