Remove parsley and argp-standalone

Parsley is head-only with no stable versions available, and hasn't been
updated for two years. argp-standalone is only used by parsley and does
not have a real homepage.

Closes Homebrew/homebrew#10458.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>

Formula/argp-standalone.rb

@@ -1,15 +0,0 @@
-require 'formula'
-
-class ArgpStandalone < Formula
-  homepage 'http://www.lysator.liu.se/~nisse/misc/'
-  url 'http://www.lysator.liu.se/~nisse/misc/argp-standalone-1.3.tar.gz'
-  md5 '720704bac078d067111b32444e24ba69'
-
-  def install
-    system "./configure", "--disable-debug", "--disable-dependency-tracking", "--prefix=#{prefix}"
-    system "make"
-
-    include.install 'argp.h', 'argp-fmtstream.h', 'argp-namefrob.h'
-    lib.install 'libargp.a'
-  end
-end

Formula/parsley.rb

@@ -1,23 +0,0 @@
-require 'formula'
-
-class Parsley < Formula
-  head 'https://github.com/fizx/parsley.git'
-  homepage 'https://github.com/fizx/parsley'
-
-  depends_on 'json-c'
-  depends_on 'pcre'
-  depends_on 'argp-standalone'
-
-  def install
-    argp = Formula.factory("argp-standalone").prefix
-
-    # remove the refs to /opt/local and use this opportunity to link to argp
-    inrepace "configure" do |s|
-      s.gsub! '-L/opt/local/lib', "-L#{argp}"
-      s.gsub! '-I/opt/local/include', "-I#{argp}"
-    end
-
-    system "./configure", "--disable-dependency-tracking", "--prefix=#{prefix}"
-    system "make install"
-  end
-end