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

This reverts commit a84cd3b3fbd230ba4cfc0034a7217d1aa9638675.
Revert "[maven-release-plugin] prepare release wso2-axiom-1.2.11-wso2v10-rc4"

This reverts commit 3d8e61f4104ef1a5decdbffb106d38511f5937de.