Delete POUserFunc.java.orig accidental checkin from merging tez branch

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1601230 13f79535-47bb-0310-9956-ffa450edef68
PIG-3986: PigSplit to support multiple split class (tongjie via cheolsoo)


git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1601268 13f79535-47bb-0310-9956-ffa450edef68
PIG-3996: Delete zebra from svn (cheolsoo)


git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1601313 13f79535-47bb-0310-9956-ffa450edef68