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

This reverts commit a494d03d2ec92d3e68b1fd9d462e2c820376eee4.
Revert "[maven-release-plugin] prepare release bonita-connector-twitter-6.1.0-rc-03"

This reverts commit 268f2f72d5753ce7810a01c70399b668772d93ba.