[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)

marek-saji/zend-form,svycka/zend-form,adamlundrigan/zend-form,MadCat34/zend-form,akrabat/zend-form,zendframework/zend-form,svycka/zend-form,adamlundrigan/zend-form,marek-saji/zend-form,akrabat/zend-form,zendframework/zend-form,MadCat34/zend-form