Removing NamePasswordCallbackHandler as it's moved to common

git-svn-id: https://svn.apache.org/repos/asf/webservices/wss4j/trunk@1450861 13f79535-47bb-0310-9956-ffa450edef68
Missing files from last commit

git-svn-id: https://svn.apache.org/repos/asf/webservices/wss4j/trunk@1450862 13f79535-47bb-0310-9956-ffa450edef68