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

This reverts commit 8b5f0dbd8d32a25a4e7ba3ebe1a4c3c6310aeb85.
Revert "[maven-release-plugin] prepare release v1.1.0-rc3"

This reverts commit 2b2e02265f80e4c5172c1e498aa9ba2c6b91c6c9.