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

This reverts commit 9d44b923c2f9f106e525c0010df091b2c62f9571.
Revert "[maven-release-plugin] prepare release axiom-1.2.11-wso2v5-rc1"

This reverts commit 888648dc642a4c09726afbe987a440037b67b7ba.