Update README.md

Author: pitr-ch

README.md

@@ -3,9 +3,7 @@
 [![Gem Version](https://badge.fury.io/rb/concurrent-ruby.svg)](http://badge.fury.io/rb/concurrent-ruby)
 [![Build Status](https://travis-ci.org/ruby-concurrency/concurrent-ruby.svg?branch=master)](https://travis-ci.org/ruby-concurrency/concurrent-ruby)
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-[![Code Climate](https://codeclimate.com/github/ruby-concurrency/concurrent-ruby.svg)](https://codeclimate.com/github/ruby-concurrency/concurrent-ruby)
 [![Inline docs](http://inch-ci.org/github/ruby-concurrency/concurrent-ruby.svg)](http://inch-ci.org/github/ruby-concurrency/concurrent-ruby)
-[![Dependency Status](https://gemnasium.com/ruby-concurrency/concurrent-ruby.svg)](https://gemnasium.com/ruby-concurrency/concurrent-ruby)
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