Remove simplecov

simplecov 0.9 dropped ruby 1.8 support, and stdlib is one of the oddball
modules that uses it. So we could probably just remove it and be okay.

Author: hunner

spec/spec_helper.rb

@@ -9,7 +9,6 @@ module PuppetSpec
 
 require 'puppet'
 require 'rspec-puppet'
-require 'simplecov'
 require 'puppetlabs_spec_helper/module_spec_helper'
 require 'puppet_spec/verbose'
 require 'puppet_spec/files'
@@ -21,10 +20,6 @@ module PuppetSpec
 require 'mocha/setup'
 
 
-SimpleCov.start do
-  add_filter "/spec/"
-end
-
 
 RSpec.configure do |config|
   config.before :each do