Redact auctex

This reverts commit 32dfc2dfd7a2dcf1c2c1552cfe383af655592682.

Formula installs files outside of the Homebrew prefix, specifically to
`~/.emacs.d/auctex`.

Formula/auctex.rb

@@ -1,39 +0,0 @@
-require 'formula'
-
-class Auctex < Formula
-  url 'http://ftp.gnu.org/pub/gnu/auctex/auctex-11.86.tar.gz'
-  homepage 'http://ftp.gnu.org/pub/gnu/auctex'
-  md5 '6bc33a67b6ac59db1aa238f3693b36d2'
-
-  def install
-    # based on the asymtote formula LaTeX check
-    if `which latex`.strip == ''
-      onoe <<-EOS.undent
-        AUCTeX requires a TeX/LaTeX installation; aborting now.
-        You can obtain the TeX distribution for Mac OS X from
-            http://www.tug.org/mactex/
-      EOS
-      Process.exit
-    end
-    texmf = `kpsewhich -var-value=TEXMFHOME`.strip
-    emacs = `which emacs`.strip
-    lispdir = File.join ENV['HOME'], '.emacs.d', 'auctex'
-    system "./configure", "--prefix=#{prefix}", "--with-texmf-dir=#{texmf}",
-                          "--with-emacs=#{emacs}", "--with-lispdir=#{lispdir}"
-    system "make"
-    system "make install"
-  end
-
-  def caveats; <<-EOS.undent
-    * texmf files installed into
-      ~/Library/texmf/tex/preview
-
-    * Emacs package installed into
-      ~/.emacs.d/auctex
-
-    * to activate add the following to your .emacs
-      (add-to-list 'load-path "~/.emacs.d/auctex")
-      (require 'tex-site)
-    EOS
-  end
-end