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

This reverts commit 252b3565dea7d9a8d70d41ca0fca4d883112f796.
Revert "[maven-release-plugin] prepare release appverse-web-masterpom-1.4-RELEASE_7"

This reverts commit 982d1013f09899e6965742e00ec9e7dafdc32984.