Move rspec-puppet-facts to spec helper

This change updates the module to use the rspec-puppet-facts as defined
in the puppet-openstack_spec_helper.

Change-Id: If7c0a134552ade3ecd39280eb267e63251b98f95

spec/spec_helper.rb

@@ -1,21 +1,11 @@
 require 'puppetlabs_spec_helper/module_spec_helper'
 require 'shared_examples'
 require 'webmock/rspec'
-
-require 'puppet-openstack_spec_helper/defaults'
-require 'rspec-puppet-facts'
-include RspecPuppetFacts
+require 'puppet-openstack_spec_helper/facts'
 
 RSpec.configure do |c|
   c.alias_it_should_behave_like_to :it_configures, 'configures'
   c.alias_it_should_behave_like_to :it_raises, 'raises'
-  c.default_facts = { :concat_basedir => '/var/lib/puppet/concat' }
-  # TODO(aschultz): remove this after all tests converted to use OSDefaults
-  # instead of referencing @default_facts
-  c.before :each do
-    @default_facts = OSDefaults
-  end
-
 end
 
 at_exit { RSpec::Puppet::Coverage.report! }