Removes useless and harmless cases reported by Leon for "Allow text data of agrement and its items accept "<" and ">" characters"  https://issues.apache.org/jira/browse/OFBIZ-5209

git-svn-id: https://svn.apache.org/repos/asf/ofbiz/trunk@1527345 13f79535-47bb-0310-9956-ffa450edef68