remove empty directories

git-svn-id: https://svn.apache.org/repos/asf/archiva/redback/redback-components/trunk@1446703 13f79535-47bb-0310-9956-ffa450edef68
svn:ignore

git-svn-id: https://svn.apache.org/repos/asf/archiva/redback/redback-components/trunk@1446704 13f79535-47bb-0310-9956-ffa450edef68