remove more empty directories

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/jcs/trunk@1590570 13f79535-47bb-0310-9956-ffa450edef68
svn:ignore += .java-version

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/jcs/trunk@1590571 13f79535-47bb-0310-9956-ffa450edef68