move repo back to my github from jenkinsci
[maven-release-plugin] prepare release slave-utilization-plugin-1.6
Revert "[maven-release-plugin] prepare release slave-utilization-plugin-1.6"

This reverts commit 428ebe3ed2a40afbba8be9e495f4bb87f32f0f20.
[maven-release-plugin] prepare release slave-utilization-plugin-1.6