Remove code usages of simplecov

Author: drwl

spec/spec_helper.rb

@@ -1,16 +1,5 @@
 require 'coveralls'
 require 'codeclimate-test-reporter'
-require 'simplecov'
-
-SimpleCov.formatter = SimpleCov::Formatter::MultiFormatter.new(
-  [
-    Coveralls::SimpleCov::Formatter,
-    SimpleCov::Formatter::HTMLFormatter,
-    CodeClimate::TestReporter::Formatter
-  ]
-)
-
-SimpleCov.start
 
 require 'rubygems'
 require 'bundler'