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

This reverts commit a8bb77e57a5ac67a1d4f05a8ebb6cb1a9d8b8a73.
Revert "[maven-release-plugin] prepare release deegree-3.2.2"

This reverts commit df48a5141b142feea8f0ca92e0d9cd35d382000b.