Remove unused code.
Remove unused code.

arunagw/clockingit,digitalnatives/jobsworth,digitalnatives/jobsworth,webstream-io/jobsworth,webstream-io/jobsworth,xuewenfei/jobsworth,rafaspinola/jobsworth,digitalnatives/jobsworth,rafaspinola/jobsworth,ari/jobsworth,evinoca/clockingit,digitalnatives/jobsworth,xuewenfei/jobsworth,ari/jobsworth,evinoca/clockingit,webstream-io/jobsworth,rafaspinola/jobsworth,webstream-io/jobsworth,ari/jobsworth,ari/jobsworth,arunagw/clockingit,arunagw/clockingit,evinoca/clockingit,evinoca/clockingit,xuewenfei/jobsworth,digitalnatives/jobsworth,rafaspinola/jobsworth,xuewenfei/jobsworth