[cs] Remove psr0 check
[cs] Remove psr0 check

Project is PSR-4 compliant and php-cs-fixer psr0 is bugged (sometimes change to lowercase subnamaspace https://github.com/FriendsOfPHP/PHP-CS-Fixer/issues/1161)

MadCat34/zend-test,remicollet/zend-test,remicollet/zend-test,MadCat34/zend-test