Merge pull request #53 from launchdarkly/eb/ch16122/code-climate

remove CodeClimate badge from readme

Author: eli-darkly

README.md

@@ -4,7 +4,6 @@ LaunchDarkly SDK for Ruby
 [![Gem Version](https://badge.fury.io/rb/ldclient-rb.svg)](http://badge.fury.io/rb/ldclient-rb)
 
 [![Circle CI](https://circleci.com/gh/launchdarkly/ruby-client/tree/master.svg?style=svg)](https://circleci.com/gh/launchdarkly/ruby-client/tree/master)
-[![Code Climate](https://codeclimate.com/github/launchdarkly/ruby-client/badges/gpa.svg)](https://codeclimate.com/github/launchdarkly/ruby-client)
 [![Test Coverage](https://codeclimate.com/github/launchdarkly/ruby-client/badges/coverage.svg)](https://codeclimate.com/github/launchdarkly/ruby-client/coverage)
 [![security](https://hakiri.io/github/launchdarkly/ruby-client/master.svg)](https://hakiri.io/github/launchdarkly/ruby-client/master)