Sandbox updates


git-svn-id: https://svn.apache.org/repos/asf/spamassassin/trunk@1458091 13f79535-47bb-0310-9956-ffa450edef68
Remove superceded rules from sandbox


git-svn-id: https://svn.apache.org/repos/asf/spamassassin/trunk@1458092 13f79535-47bb-0310-9956-ffa450edef68