Add "require hardware" to formula.rb

Now individual formulae don't need to require this if they want to use
Hardware methods outside of `def install`.

Formula/dosbox.rb

@@ -1,5 +1,4 @@
 require 'formula'
-require 'hardware'
 
 class Dosbox < Formula
   url 'http://downloads.sourceforge.net/project/dosbox/dosbox/0.74/dosbox-0.74.tar.gz'

Formula/mongodb.rb

@@ -1,5 +1,4 @@
 require 'formula'
-require 'hardware'
 
 class Mongodb < Formula
   homepage 'http://www.mongodb.org/'

Formula/octave.rb

@@ -1,5 +1,4 @@
 require 'formula'
-require 'hardware'
 
 def no_magick?
   ARGV.include? '--without-graphicsmagick'

Formula/postgresql.rb

@@ -1,5 +1,4 @@
 require 'formula'
-require 'hardware'
 
 class Postgresql < Formula
   homepage 'http://www.postgresql.org/'

Formula/pypy.rb

@@ -1,7 +1,8 @@
 require 'formula'
-require 'hardware'
 
 class Pypy < Formula
+  homepage 'http://pypy.org/'
+
   if MacOS.prefer_64_bit?
     url 'https://bitbucket.org/pypy/pypy/downloads/pypy-1.8-osx64.tar.bz2'
     md5 '1c293253e8e4df411c3dd59dff82a663'
@@ -11,7 +12,6 @@ class Pypy < Formula
     md5 '8584c4e8c042f5b661fcfffa0d9b8a25'
     version '1.4.1'
   end
-  homepage 'http://pypy.org/'
 
   def install
     prefix.install Dir['*']

Formula/qt.rb

@@ -1,5 +1,4 @@
 require 'formula'
-require 'hardware'
 
 class Qt < Formula
   homepage 'http://qt.nokia.com/'

Formula/riak.rb

@@ -1,5 +1,4 @@
 require 'formula'
-require 'hardware'
 
 class Riak < Formula
   homepage 'http://wiki.basho.com/Riak.html'