remove EPL license

see https://lists.apache.org/thread.html/r605598dd36a371a8439652c8b362f4099d57662aeaf837fe5c22ad25%40%3Cdev.poi.apache.org%3E

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1885412 13f79535-47bb-0310-9956-ffa450edef68
1 file changed