remove commented code

git-svn-id: https://svn.apache.org/repos/asf/jackrabbit/commons/filevault/trunk@1638345 13f79535-47bb-0310-9956-ffa450edef68
JCRVLT-77 AdminPermissionChecker fails if user can't read itself.

git-svn-id: https://svn.apache.org/repos/asf/jackrabbit/commons/filevault/trunk@1638346 13f79535-47bb-0310-9956-ffa450edef68
JCRVLT-76 Installing 2 moved sibling authorizables fails

git-svn-id: https://svn.apache.org/repos/asf/jackrabbit/commons/filevault/trunk@1638347 13f79535-47bb-0310-9956-ffa450edef68