Remove mistakenly-added files

Remove mistakenly-added files

Problem reported by Glenn Morris in:
http://lists.gnu.org/archive/html/emacs-devel/2017-01/msg00008.html
* lisp/gnus/gnus-ems.el, lisp/gnus/gnus-sync.el:
* lisp/gnus/messcompat.el, lisp/nxml/nxml-glyph.el:
* lisp/nxml/nxml-uchnm.el, lisp/obsolete/awk-mode.el:
* lisp/obsolete/iso-acc.el, lisp/obsolete/iso-insert.el:
* lisp/obsolete/iso-swed.el, lisp/obsolete/resume.el:
* lisp/obsolete/scribe.el, lisp/obsolete/spell.el:
* lisp/obsolete/swedish.el, lisp/obsolete/sym-comp.el:
Remove files that were added by mistake during a merge.