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

This reverts commit 119cb6132bba67f539b0c0e00c18fbd1afb88729.
Revert "[maven-release-plugin] prepare release SlipStreamDocumentation-2.0.16"

This reverts commit 23254acae4e067c11a0502f7b3c935200406a483.