remove codeclimate integration (#225)

Author: tushdante

Gemfile

@@ -5,7 +5,6 @@ gemspec
 gem 'rake'
 
 group :development, :test do
-  gem 'codeclimate-test-reporter', platforms: :mri
   gem 'cucumber'
   gem 'faker', '~> 1.0'      # fix for breaking change in faker 2.x
   gem 'rspec'

README.md

@@ -1,4 +1,4 @@
-Getting Started [![Build Status](https://travis-ci.org/twitterdev/twitter-ruby-ads-sdk.svg?branch=master)](https://travis-ci.org/twitterdev/twitter-ruby-ads-sdk) [![Code Climate](https://codeclimate.com/github/twitterdev/twitter-ruby-ads-sdk/badges/gpa.svg)](https://codeclimate.com/github/twitterdev/twitter-ruby-ads-sdk) [![Test Coverage](https://codeclimate.com/github/twitterdev/twitter-ruby-ads-sdk/badges/coverage.svg)](https://codeclimate.com/github/twitterdev/twitter-ruby-ads-sdk/coverage) [![Gem Version](https://badge.fury.io/rb/twitter-ads.svg)](http://badge.fury.io/rb/twitter-ads)
+Getting Started [![Build Status](https://travis-ci.org/twitterdev/twitter-ruby-ads-sdk.svg?branch=master)](https://travis-ci.org/twitterdev/twitter-ruby-ads-sdk)[![Gem Version](https://badge.fury.io/rb/twitter-ads.svg)](http://badge.fury.io/rb/twitter-ads)
 ------
 
 ##### Installation

spec/spec_helper.rb

@@ -3,12 +3,10 @@
 
 unless RUBY_PLATFORM =~ /java/ || RUBY_ENGINE =~ /rbx/
   require 'simplecov'
-  require 'codeclimate-test-reporter'
 
   SimpleCov.formatter = SimpleCov::Formatter::MultiFormatter.new(
     [
-      SimpleCov::Formatter::HTMLFormatter,
-      CodeClimate::TestReporter::Formatter
+      SimpleCov::Formatter::HTMLFormatter
     ]
   )
 
@@ -22,7 +20,6 @@
 require 'faker'
 
 require 'webmock/rspec'
-WebMock.disable_net_connect!(allow: 'codeclimate.com')
 
 require 'twitter-ads'
 include TwitterAds