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

This reverts commit dd78ce2a010e0822ddd8f8e10dc80bdf0f1751d3.
Revert "[maven-release-plugin] prepare release SlipStreamServerDeps-2.0.16"

This reverts commit 4cfb81c28e0511de48913607b49f108634ab5b16.