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

This reverts commit 907dd25e937e50cabbc863ab26ad7b4e1cb6f518.
Revert "[maven-release-plugin] prepare release SlipStreamServerDeps-2.0.16"

This reverts commit f9499a77f782ea78df8e820eff3917d5de7f10dc.