fix deleting repository

git-svn-id: https://svn.apache.org/repos/asf/archiva/sandbox/trunk@1488508 13f79535-47bb-0310-9956-ffa450edef68
fix removeProject

git-svn-id: https://svn.apache.org/repos/asf/archiva/sandbox/trunk@1488509 13f79535-47bb-0310-9956-ffa450edef68