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

This reverts commit 7bd19581072bbd4829f0b72a97fe39bb2fcc661f.
Revert "[maven-release-plugin] prepare release 2.0.3.0-WAF"

This reverts commit 3a9a89be4f3f8151f031265b7d17ff31f6db9546.
Revert "update scm and distribution management"

This reverts commit a6bc689166d330b7e164e732ae9701df4c271652.