; migrate MH-E to mail-parse library

; migrate MH-E to mail-parse library

Move MH-E from low-level libraries to the high-level mail-parse library.

* lisp/mh-e/mh-comp.el: replace ietf-drums-parse-address with
mail-header-parse-address.
* lisp/mh-e/mh-junk.el: replace ietf-drums-parse-address with
mail-header-parse-address; remove mh-funcall-if-exists wrapper.
* lisp/mh-e/mh-xface.el: replace ietf-drums-parse-address with
mail-header-parse-address; remove fboundp wrapper.
* lisp/mh-e/mh-mime.el: replace rfc2047-decode-region with
mail-decode-encoded-word-region.