doc(README): correct appveyor badge

And remove some broken badges.

Author: Byron

README.md

@@ -9,7 +9,7 @@ Although memory maps have many advantages, they represent a very limited system
 ## Overview
 
 [![Build Status](https://travis-ci.org/gitpython-developers/smmap.svg?branch=master)](https://travis-ci.org/gitpython-developers/smmap)
-[![Build status](https://ci.appveyor.com/api/projects/status/h8rl7thsr42oc0pf?svg=true&passingText=windows%20OK&failingText=windows%20failed)](https://ci.appveyor.com/project/Byron/smmap)
+[![Build status](https://ci.appveyor.com/api/projects/status/kuws846av5lvmugo?svg=true&passingText=windows%20OK&failingText=windows%20failed)](https://ci.appveyor.com/project/Byron/smmap)
 [![Coverage Status](https://coveralls.io/repos/gitpython-developers/smmap/badge.png)](https://coveralls.io/r/gitpython-developers/smmap)
 [![Issue Stats](http://www.issuestats.com/github/gitpython-developers/smmap/badge/pr)](http://www.issuestats.com/github/gitpython-developers/smmap)
 [![Issue Stats](http://www.issuestats.com/github/gitpython-developers/smmap/badge/issue)](http://www.issuestats.com/github/gitpython-developers/smmap)
@@ -40,8 +40,6 @@ The package was tested on all of the previously mentioned configurations.
 
 ## Installing smmap
 
-[![Latest Version](https://pypip.in/version/smmap/badge.svg)](https://pypi.python.org/pypi/smmap/)
-[![Supported Python versions](https://pypip.in/py_versions/smmap/badge.svg)](https://pypi.python.org/pypi/smmap/)
 [![Documentation Status](https://readthedocs.org/projects/smmap/badge/?version=latest)](https://readthedocs.org/projects/smmap/?badge=latest)
 
 Its easiest to install smmap using the [pip](http://www.pip-installer.org/en/latest) program: