Remove dead code InternalLDAP*

Jean-Noël Rouvignac

31.08.2016 f91a480df0a08c9286dcb508e1adb78602d02114

opendj-server-legacy/src/main/java/org/opends/server/protocols/internal/InternalLDAPSocket.java does not exist in tree a645299bfda855c230e13d28b5daec734b143eb2