Update build badges

lstrojny · lstrojny · commit 5d3adf69c548 · 2020-06-16T11:21:09.000+02:00
diff --git a/README.md b/README.md
@@ -1,7 +1,6 @@
 # Functional PHP: Functional primitives for PHP
 
-[![Gitter](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/lstrojny/functional-php?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
-[![Build Status](https://secure.travis-ci.org/lstrojny/functional-php.svg)](http://travis-ci.org/lstrojny/functional-php) [![Dependency Status](https://www.versioneye.com/user/projects/523ed780632bac1b1100c359/badge.png)](https://www.versioneye.com/user/projects/523ed780632bac1b1100c359) [![Average time to resolve an issue](http://isitmaintained.com/badge/resolution/lstrojny/functional-php.svg)](http://isitmaintained.com/project/lstrojny/functional-php "Average time to resolve an issue") [![Percentage of issues still open](http://isitmaintained.com/badge/open/lstrojny/functional-php.svg)](http://isitmaintained.com/project/lstrojny/functional-php "Percentage of issues still open") [![Scrutinizer Code Quality](https://scrutinizer-ci.com/g/lstrojny/functional-php/badges/quality-score.png?b=master)](https://scrutinizer-ci.com/g/lstrojny/functional-php/?branch=master)
+[![Build Status](https://secure.travis-ci.org/lstrojny/functional-php.svg)](http://travis-ci.org/lstrojny/functional-php)
 
 *NOTE:* functional-php used to come with a C extension that implemented most of the functions natively. As the
 performance differences  weren’t that huge compared to the maintenance cost it has been removed.
