removed all references to NJABL

git-svn-id: https://svn.apache.org/repos/asf/spamassassin/trunk@1452566 13f79535-47bb-0310-9956-ffa450edef68
git-svn-id: https://svn.apache.org/repos/asf/spamassassin/trunk@1452580 13f79535-47bb-0310-9956-ffa450edef68