Remove useless requirements badge

Signed-off-by: Sylvain Hellegouarch <[email protected]>

Author: Lawouach

README.md

@@ -6,7 +6,7 @@
 [![Build Status](https://travis-ci.org/chaostoolkit/chaostoolkit-lib.svg?branch=master)](https://travis-ci.org/chaostoolkit/chaostoolkit-lib)
 [![codecov](https://codecov.io/gh/chaostoolkit/chaostoolkit-lib/branch/master/graph/badge.svg)](https://codecov.io/gh/chaostoolkit/chaostoolkit-lib)
 [![Python versions](https://img.shields.io/pypi/pyversions/chaostoolkit-lib.svg)](https://www.python.org/)
-[![Requirements Status](https://requires.io/github/chaostoolkit/chaostoolkit-lib/requirements.svg?branch=master)](https://requires.io/github/chaostoolkit/chaostoolkit-lib/requirements/?branch=master)
+
 
 The Chaos Toolkit core library implementing the [Open Chaos Initiative][oci].