Revert "[maven-release-plugin] prepare for next development iteration"

This reverts commit adfe4e4845d35dd06e7cc0822be59beb7e8f6eb0.
Revert "[maven-release-plugin] prepare release SlipStreamServerDeps-2.0.16"

This reverts commit f1ccb3b5b94dd54963af3bff999ae0c8f8a40118.