Move mydumper to the boneyard

This software compiles against now-private APIs:
https://github.com/Homebrew/homebrew/issues/24748
http://bugs.mysql.com/bug.php?id=70672
https://answers.launchpad.net/mydumper/+question/239895

Closes Homebrew/homebrew#24748.

Formula/mydumper.rb

@@ -1,22 +0,0 @@
-require 'formula'
-
-class Mydumper < Formula
-  homepage 'https://launchpad.net/mydumper'
-  url 'https://launchpad.net/mydumper/0.5/0.5.2/+download/mydumper-0.5.2.tar.gz'
-  sha1 '1eb1a341635c252f9f4cf611af544e0c94b1687d'
-
-  depends_on 'pkg-config' => :build
-  depends_on 'cmake' => :build
-  depends_on :mysql
-  depends_on 'glib'
-  depends_on 'pcre'
-
-  def install
-    system "cmake", ".", *std_cmake_args
-    system "make install"
-  end
-
-  test do
-    system "#{bin}/mydumper", "--version"
-  end
-end