Let's make auto routes disable

@sneakyimp If you never use controller filters, there is no risk.
probably there are few risks.
But if you use CI4's CSRF protection, you are using controller filters.

See https://blog-a--way--out-net.translate.g...r_pto=wapp

ci-phpunit-test | CodeIgniter Testing Guide | CodeIgniter 3 to 4 Upgrade Helper