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

This reverts commit 54df1b8c31fa2de5b04ee4a5563706b2664f34f3.
Revert "[maven-release-plugin] prepare release v1.0.2-rc1"

This reverts commit 08f601328ad9e7334ef7deb3a9fff1343a3c4f30.