OWB-963 remove EJB samples

They are covered in TomEE anyway.
We get rid of a build cycle btw openejb and owb that way as well...


git-svn-id: https://svn.apache.org/repos/asf/openwebbeans/branches/owb_1.2.x@1598919 13f79535-47bb-0310-9956-ffa450edef68