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

This reverts commit 865e6f63f63f5e881a02d1a4e3b4c5d0e86fcd8e.
Revert "[maven-release-plugin] prepare release v1.1.0-rc3"

This reverts commit b2d0493b223c5f98a593bb6d7372706cc02bebad.