Remove homebrew formula (#1139)

https://github.com/aquynh/capstone/pull/1135#issuecomment-389701051
diff --git a/packages/homebrew/README b/packages/homebrew/README
deleted file mode 100644
index 5134702..0000000
--- a/packages/homebrew/README
+++ /dev/null
@@ -1,2 +0,0 @@
-This directory contains the Homebrew formula for Capstone.
-File capstone.rb should be put in its directory Library/Formula.
diff --git a/packages/homebrew/capstone.rb b/packages/homebrew/capstone.rb
deleted file mode 100644
index 8b0b9b8..0000000
--- a/packages/homebrew/capstone.rb
+++ /dev/null
@@ -1,35 +0,0 @@
-class Capstone < Formula
-  homepage "http://capstone-engine.org"
-  url "http://capstone-engine.org/download/3.0.1/capstone-3.0.1.tgz"
-  sha1 "7f206c853c6b8d05de22e919c2455ab661654093"
-
-  bottle do
-    cellar :any
-    revision 3
-    sha1 "63e887ea699a71bbd3f08d5dfa8cbbb8f061f768" => :yosemite
-    sha1 "210d46b2de72092f42df324e29297397405acbb0" => :mavericks
-    sha1 "eb835f4d9bdcd7d465224f7bd6ab47b21287da94" => :mountain_lion
-  end
-
-  def install
-    # Capstone's Make script ignores the prefix env and was installing
-    # in /usr/local directly. So just inreplace the prefix for less pain.
-    # https://github.com/aquynh/capstone/issues/228
-    inreplace "make.sh", "export PREFIX=/usr/local", "export PREFIX=#{prefix}"
-
-    ENV["HOMEBREW_CAPSTONE"] = "1"
-    system "./make.sh"
-    system "./make.sh", "install"
-
-    # As per the above inreplace, the pkgconfig file needs fixing as well.
-    inreplace lib/"pkgconfig/capstone.pc" do |s|
-      s.gsub! "/usr/lib", lib
-      s.gsub! "/usr/include/capstone", "#{include}/capstone"
-    end
-  end
-
-  test do
-    # Given the build issues around prefix, check is actually in the Cellar.
-    assert File.exist? "#{lib}/libcapstone.a"
-  end
-end