Fix usage of remove-text-properties

* lisp/allout-widgets.el (allout-decorate-item-icon):
* lisp/emacs-lisp/chart.el (chart-goto-xy):
* lisp/forms.el (forms--make-format)
(forms--make-format-elt-using-text-properties):
* lisp/htmlfontify.el (hfy-unmark-trailing-whitespace):
* lisp/net/newst-plainview.el (newsticker-hide-entry)
(newsticker-show-entry):
* lisp/nxml/nxml-mode.el (nxml-cleanup):
* lisp/obsolete/longlines.el (longlines-unshow-hard-newlines)
(longlines-encode-region):
* lisp/org/ob-exp.el (org-babel-exp-process-buffer):
* lisp/org/org-agenda.el (org-agenda-show-new-time):
* lisp/progmodes/cc-defs.el
(c-clear-char-property-with-value-function)
(c-clear-char-property-with-value-on-char-function):
* lisp/progmodes/ebrowse.el (ebrowse--hide):
* lisp/progmodes/gdb-mi.el (gdb-send):
* lisp/progmodes/idlw-shell.el
(idlwave-retrieve-expression-from-level):
* lisp/progmodes/make-mode.el (makefile-fill-paragraph):
* lisp/progmodes/prog-mode.el (prettify-symbols--post-command-hook):
* lisp/progmodes/ruby-mode.el (ruby-syntax-propertize):
* lisp/tmm.el (tmm-remove-inactive-mouse-face):
Always pass an explicit plist to remove-text-properties.

* lisp/dired.el (dired--unhide):
* lisp/facemenu.el (facemenu-add-face):
* lisp/htmlfontify.el (hfy-fontify-buffer):
* lisp/iimage.el (iimage-mode-buffer):
* lisp/image-file.el (image-file-yank-handler):
* lisp/progmodes/prog-mode.el (prettify-symbols--compose-symbol):
* lisp/textmodes/tex-mode.el (latex-env-before-change):
* test/src/undo-tests.el (undo-test0):
Use remove-list-of-text-properties in place of
remove-text-properties where appropriate.

lisp/emacs-lisp/chart.el

@@ -518,7 +518,7 @@ cons cells of the form (NAME . NUM).  See `sort' for more details."
     (or (= (move-to-column x) x)
 	(let ((p (point)))
 	  (indent-to x)
-	  (remove-text-properties p (point) '(face))))))
+          (remove-text-properties p (point) '(face nil))))))
 
 (defun chart-zap-chars (n)
   "Zap up to N chars without deleting EOLs."