UIMA-3848 DUCC Web Server (WS) seems slow to respond for Machines page of large cluster

git-svn-id: https://svn.apache.org/repos/asf/uima/sandbox/uima-ducc/trunk@1603146 13f79535-47bb-0310-9956-ffa450edef68
UIMA-3873 DUCC Web Server (WS) should not show sub-seconds for job duration and projection

Remove unused code.

git-svn-id: https://svn.apache.org/repos/asf/uima/sandbox/uima-ducc/trunk@1603151 13f79535-47bb-0310-9956-ffa450edef68