Remove requires.io (no longer active).

Author: jakeichikawasalesforce

README.md

@@ -6,7 +6,6 @@
 [![GitHub Workflow Status](https://img.shields.io/github/workflow/status/tableau/tabpy/Test%20Run%20on%20Push)](https://github.com/tableau/TabPy/actions?query=workflow%3A%22Test+Run+on+Push%22)
 [![Coverage Status](https://coveralls.io/repos/github/tableau/TabPy/badge.svg?branch=master)](https://coveralls.io/github/tableau/TabPy?branch=master)
 [![Scrutinizer Code Quality](https://scrutinizer-ci.com/g/tableau/TabPy/badges/quality-score.png?b=master)](https://scrutinizer-ci.com/g/tableau/TabPy/?branch=master)
-[![Requirements Status](https://requires.io/github/tableau/TabPy/requirements.svg?branch=master)](https://requires.io/github/tableau/TabPy/requirements/?branch=master)
 
 ![PyPI - Python Version](https://img.shields.io/pypi/pyversions/tabpy?label=PyPI%20Python%20versions)
 [![PyPI version](https://badge.fury.io/py/tabpy.svg)](https://pypi.python.org/pypi/tabpy/)