OPENDJ-2337 Remove JE changelog code

Jean-Noël Rouvignac

16.49.2015 6c5c0af35aabc59a56c71e9c9296a7398a3e9176

opendj-server-legacy/src/main/java/org/opends/server/replication/server/changelog/je/JEUtils.java does not exist in tree 94f3fa6efaa4bc73d6674691b56e4294bb6412ab