remove no more useful badge for PHP 7

Author: mikaelcom

README.md

@@ -5,7 +5,6 @@
 [![Latest Stable Version](https://poser.pugx.org/wsdltophp/packagebase/version.png)](https://packagist.org/packages/wsdltophp/packagebase)
 [![Total Downloads](https://poser.pugx.org/wsdltophp/packagebase/downloads)](https://packagist.org/packages/wsdltophp/packagebase)
 [![Build Status](https://api.travis-ci.org/WsdlToPhp/PackageBase.svg)](https://travis-ci.org/WsdlToPhp/PackageBase)
-[![PHP 7 ready](http://php7ready.timesplinter.ch/WsdlToPhp/PackageBase/badge.svg)](https://travis-ci.org/WsdlToPhp/PackageBase)
 [![Scrutinizer Code Quality](https://scrutinizer-ci.com/g/WsdlToPhp/PackageBase/badges/quality-score.png)](https://scrutinizer-ci.com/g/WsdlToPhp/PackageBase/)
 [![Code Coverage](https://scrutinizer-ci.com/g/WsdlToPhp/PackageBase/badges/coverage.png)](https://scrutinizer-ci.com/g/WsdlToPhp/PackageBase/)
 [![Dependency Status](https://www.versioneye.com/user/projects/55b10586643533001c00010f/badge.svg)](https://www.versioneye.com/user/projects/55b10586643533001c00010f)