pekko-persistence-jdbc-migrator is not published

If we don't intend to publish a jar for this - shouldn't we just delete the code?

https://github.com/apache/pekko-persistence-jdbc/blob/aae283c2df6aa4cf66dec2168ddf3c634907ebe6/build.sbt#L64

Read build.sbt at line 64 and inspect references to pekko-persistence-jdbc-migrator. Clarify whether the intended outcome is publishing its jar or deleting the code; completion cannot be defined from the issue until maintainers choose between those alternatives.

Written by the indexing model from the issue text.