remove extensibility xml files from classpath
remove extensibility xml files from classpath


Former-commit-id: 2b979b572558bb4763f152fef57b4a012b7fc6f6
bfg-repo-cleaner-demos/eclipselink.runtime-bfg-strip-big-blobs,bfg-repo-cleaner-demos/eclipselink.runtime-bfg-strip-big-blobs,bfg-repo-cleaner-demos/eclipselink.runtime-bfg-strip-big-blobs