Remove unused puppet_spec code

This is copied and changed code from an older version of puppet's internal
test setup code. It does not work with puppet4.

Author: DavidS

spec/lib/puppet_spec/compiler.rb

@@ -10,12 +10,6 @@ module PuppetSpec
 require 'puppet'
 require 'rspec-puppet'
 require 'puppetlabs_spec_helper/module_spec_helper'
-require 'puppet_spec/verbose'
-require 'puppet_spec/files'
-require 'puppet_spec/settings'
-require 'puppet_spec/fixtures'
-require 'puppet_spec/matchers'
-require 'puppet_spec/database'
 require 'monkey_patches/alias_should_to_must'
 require 'mocha/api'
 #require 'puppetlabs_spec_helper/module_spec_helper'