Remove redundant library installation instructions

* lisp/apropos.el:
* lisp/mail/feedmail.el:
* lisp/mail/mail-hist.el:
* lisp/org/org-ctags.el:
* lisp/org/org-protocol.el:
* lisp/progmodes/ebnf2ps.el:
* lisp/progmodes/mixal-mode.el:
* lisp/progmodes/perl-mode.el:
* lisp/savehist.el:
* lisp/textmodes/table.el:
* lisp/vc/smerge-mode.el: Remove redundant installation instructions
for packages bundled with Emacs.

1 files changed, 10 insertions, 13 deletions

diff --git a/lisp/mail/mail-hist.el b/lisp/mail/mail-hist.el
index a13f9de1740..9fb7b36e985 100644
--- a/lisp/mail/mail-hist.el
+++ b/lisp/mail/mail-hist.el
@@ -1,6 +1,6 @@
 ;;; mail-hist.el --- headers and message body history for outgoing mail  -*- lexical-binding: t; -*-
 
-;; Copyright (C) 1994, 2001-2022 Free Software Foundation, Inc.
+;; Copyright (C) 1994-2022 Free Software Foundation, Inc.
 
 ;; Author: Karl Fogel <kfogel@red-bean.com>
 ;; Created: March, 1994
@@ -24,21 +24,15 @@
 
 ;;; Commentary:
 
-;; Thanks to Jim Blandy for mentioning ring.el.  It saved a lot of
-;; time.
-;;
-;; To use this package, put it in a directory in your load-path, and
-;; put this in your init file:
+;; To use this package, add this to your init file:
 ;;
-;; (load "mail-hist" nil t)
+;;     (require 'mail-hist)
 ;;
-;; Or you could do it with autoloads and hooks in your .emacs:
+;; Or you could do it with hooks in your .emacs:
 ;;
-;; (add-hook 'mail-mode-hook 'mail-hist-define-keys)
-;; (add-hook 'mail-send-hook 'mail-hist-put-headers-into-history)
-;; (add-hook 'vm-mail-mode-hook 'mail-hist-define-keys) ;or rmail, etc
-;; (autoload 'mail-hist-define-keys "mail-hist")
-;; (autoload 'mail-hist-put-headers-into-history "mail-hist")
+;;     (add-hook 'mail-mode-hook 'mail-hist-define-keys)
+;;     (add-hook 'mail-send-hook 'mail-hist-put-headers-into-history)
+;;     (add-hook 'vm-mail-mode-hook 'mail-hist-define-keys) ;or rmail, etc
 ;;
 ;; Once it's installed, use M-p and M-n from mail headers to recover
 ;; previous/next contents in the history for that header, or, in the
@@ -51,6 +45,9 @@
 ;; point, so that you can mix the histories of different messages
 ;; easily.  This might be confusing at times, but there should be no
 ;; problems that undo can't handle.
+;;
+;; Thanks to Jim Blandy for mentioning ring.el.  It saved a lot of
+;; time.
 
 ;;; Code:
 (require 'ring)