Remove cs fixer cache file

Signed-off-by: Jelle Deneweth <jelle.deneweth@gmail.com>

Author: pottink

.gitignore

@@ -1,8 +1,8 @@
 /vendor/
 composer.lock
-.php_cs.cache
+.php-cs-fixer.cache
 .php_cs
 grumphp.yml
 phpunit.xml
 var
-.phpunit.result.cache
+.phpunit.result.cache