Remove 'java' from junit5-jupiter-starter-maven-kotlin

[sormuras]

It should, like the junit5-jupiter-starter-gradle-kotlin project, only contain the following directories:

Main

• src/main/kotlin
• src/test/kotlin

Deliverables

• Remove java from junit5-jupiter-starter-maven-kotlin sample project.
• Trim pom.xml down to the minimum of configurations needed to get Maven + Kotlin + Jupiter happy.

[marcphilipp]

I think the whole point was to have a mixed Java/Kotlin project, wasn‘t it?

[sormuras]

Yes. I should have directed it to be what is now described in #105 -- a Java/Kotlin JUnit 4/5 mash up using Maven, it has all a "junit-migration-..." sample project needs.

A junit5-jupiter-starter-... should only use the bare minimum to get started with Jupiter a the selected build tool and language.

[marcphilipp]

Ah, ok, that makes sense. 👍

[daggerok]

Hello,

please review #106

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Regards,
Maksim