removal of camlp4

git-svn-id: http://caml.inria.fr/svn/ocaml/branches/minus-camlp4@14308 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02
remove camlp4

git-svn-id: http://caml.inria.fr/svn/ocaml/branches/minus-camlp4@14309 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02
Remove camlp4.

git-svn-id: http://caml.inria.fr/svn/ocaml/trunk@14310 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02