Resolve TODO in content/markdown/guides/mini/guide-3rd-party-jars-remote.md

[elharo]

Bug description

spotless has a bug with the comment so I'm removing this TODO from the code,
but it still needs to be checked

## Deploying Source Jars

<!-- TODO: Check the following, because I don't this is true anymore. I assume packaging should be jar
  and the classifier should be set to source. -->
To deploy a 3rd party source jar, packaging should be set to `java-source`,
and generatePom should be set to `fals-->

Maven site URL where bug exists

https://maven.apache.org/guides/mini/guide-3rd-party-jars-remote.html