Remove unnecessary artifacts

There is unnecessary *-jar-with-dependencies.jar and original-*.jar.

First one can be removed with `<appendAssemblyId>false</appendAssemblyId>` in maven-assembly-plugin, second one with: https://stackoverflow.com/questions/4088701/maven-shaded-jar-is-prefixed-with-original-in-the-file-name/8696195

Needs testing is there side effects.