Revert "[JENKINS-16502] Permission to see an executor/slave"

This reverts commit 647695e2ffc2f568ca1b80bc5b0cd7b0658eeb3d.
[maven-release-plugin] prepare release jenkins-1.533
[maven-release-plugin] prepare for next development iteration
updated changelog for release
updated changelog as a part of the release
merged back the RC branch