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

This reverts commit a511cbe3b33505f2ec39d98b7f29fbcd16d8c627.
Revert "[maven-release-plugin] prepare release nevado-1.3.0"

This reverts commit 5f0530ccb45808802638d35ddbf2a3b43e41c4b3.