Update README.md

- remove Travis Badge
- update Python Version badge

README.md

@@ -1,7 +1,5 @@
-[![Build Status](https://travis-ci.org/unified-font-object/ufoNormalizer.svg)](https://travis-ci.org/unified-font-object/ufoNormalizer)
-[![Build status](https://ci.appveyor.com/api/projects/status/pc4l0dryn5hevcw4?svg=true)](https://ci.appveyor.com/project/miguelsousa/ufonormalizer)
 [![Coverage Status](https://coveralls.io/repos/unified-font-object/ufoNormalizer/badge.svg?branch=master&service=github)](https://coveralls.io/github/unified-font-object/ufoNormalizer?branch=master)
-![Python Versions](https://img.shields.io/badge/python-2.7%2C%203.4%2C%203.5-blue.svg)
+![Python Versions](https://img.shields.io/badge/python-3.6%2C%203.7%2C%203.8%2C%203.9-blue.svg)
 [![PyPI Version](https://img.shields.io/pypi/v/ufonormalizer.svg)](https://pypi.python.org/pypi/ufonormalizer)
 
 # ufoNormalizer