Remove the conversion step .tex -> .texi.

doc/addnodes.el

@@ -1,17 +0,0 @@
-;; Emacs Lisp program to insert nodes and menus in a TeXinfo file.
-
-(texinfo-mode)
-(texinfo-insert-node-lines
-  (save-excursion (beginning-of-buffer) (point))
-  (save-excursion (end-of-buffer) (point))
-  t
-)
-(texinfo-master-menu t)
-;; The following is not needed because it is already done by the
-;; (texinfo-master-menu t) command.
-; (texinfo-every-node-update)
-;; The following should not be needed because it should already done by the
-;; (texinfo-master-menu t) command. Alas, `texinfo-master-menu' is buggy:
-;; It forgets to create the `Customizing' menu...
-(texinfo-all-menus-update)
-