use last parent

git-svn-id: https://svn.apache.org/repos/asf/maven/jxr/trunk@1438704 13f79535-47bb-0310-9956-ffa450edef68
remove inherited configuration

git-svn-id: https://svn.apache.org/repos/asf/maven/jxr/trunk@1438705 13f79535-47bb-0310-9956-ffa450edef68