remove old validation code

git-svn-id: https://svn.apache.org/repos/asf/archiva/branches/archiva-1.3.x@1570822 13f79535-47bb-0310-9956-ffa450edef68
update old legacy path code for new version of Struts

git-svn-id: https://svn.apache.org/repos/asf/archiva/branches/archiva-1.3.x@1570823 13f79535-47bb-0310-9956-ffa450edef68