Remove windows build pipe line

Author: benfaerber

.github/workflows/php-windows.yml

@@ -2,7 +2,6 @@
 PDF to ZPL
 <a href="https://packagist.org/packages/faerber/pdf-to-zpl"><img src="https://img.shields.io/packagist/v/faerber/pdf-to-zpl" /></a>
 <a href="https://github.com/benfaerber/pdf-to-zpl/actions"><img src="https://github.com/benfaerber/pdf-to-zpl/actions/workflows/php-ubuntu.yml/badge.svg" /></a>
-<a href="https://github.com/benfaerber/pdf-to-zpl/actions"><img src="https://github.com/benfaerber/pdf-to-zpl/actions/workflows/php-windows.yml/badge.svg" /></a>
 </h1>
 
 <p>