Remove any Java examples/docs files that have been moved to Docs Repo

[michael-w-williams]

This issue is created to track the movement of any Java examples or Java FDK users docs that are being moved into the docs repo.

This issue will be closed once those files have been successfully moved to Docs and deleted from this Repo.

[michael-w-williams]

First PR created which moves user docs from FDK repo to Docs repo.

• [ ] PR68: https://github.com/fnproject/docs/pull/68