Remove sponsor & change code climate badge

README.md

@@ -1,12 +1,10 @@
 [![Lines of Code](http://img.shields.io/badge/lines_of_code-53-brightgreen.svg?style=flat)](http://blog.codinghorror.com/the-best-code-is-no-code-at-all/)
-[![Code Status](http://img.shields.io/codeclimate/github/hopsoft/tag_columns.svg?style=flat)](https://codeclimate.com/github/hopsoft/tag_columns)
+[![Maintainability](https://api.codeclimate.com/v1/badges/7503486b1bb494b5d976/maintainability)](https://codeclimate.com/github/hopsoft/tag_columns/maintainability)
 [![Dependency Status](http://img.shields.io/gemnasium/hopsoft/tag_columns.svg?style=flat)](https://gemnasium.com/hopsoft/tag_columns)
 [![Build Status](http://img.shields.io/travis/hopsoft/tag_columns.svg?style=flat)](https://travis-ci.org/hopsoft/tag_columns)
 [![Coverage Status](https://img.shields.io/coveralls/hopsoft/tag_columns.svg?style=flat)](https://coveralls.io/r/hopsoft/tag_columns?branch=master)
 [![Downloads](http://img.shields.io/gem/dt/tag_columns.svg?style=flat)](http://rubygems.org/gems/tag_columns)
 
-[![Sponsor](https://app.codesponsor.io/embed/QMSjMHrtPhvfmCnk5Hbikhhr/hopsoft/tag_columns.svg)](https://app.codesponsor.io/link/QMSjMHrtPhvfmCnk5Hbikhhr/hopsoft/tag_columns)
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 # TagColumns
 
 Fast & simple Rails ActiveRecord model tagging using [PostgreSQL's](https://www.postgresql.org/) [Array datatype](https://www.postgresql.org/docs/current/static/arrays.html).