Merge pull request #19 from launchdarkly/eb/ch16122/code-climate

remove CodeClimate from readme

Author: eli-darkly

README.md

@@ -1,8 +1,6 @@
 LaunchDarkly SDK for PHP
 ===========================
 
-[![Code Climate](https://codeclimate.com/github/launchdarkly/php-client/badges/gpa.svg)](https://codeclimate.com/github/launchdarkly/php-client)
-
 [![Circle CI](https://circleci.com/gh/launchdarkly/php-client.svg?style=svg)](https://circleci.com/gh/launchdarkly/php-client)
 
 Requirements