Delete unused file(s).

git-svn-id: https://plugins.svn.wordpress.org/secondary-title/branches/0.4@961297 b8457f37-d9ea-0310-8a92-e5e31aec5664
Delete unused file(s).

git-svn-id: https://plugins.svn.wordpress.org/secondary-title/branches/0.4@961298 b8457f37-d9ea-0310-8a92-e5e31aec5664