Hello I have to redirect my whole traffic to the non www version of my website. I have the http2 SSL free form cloudflare. I did this in my .conf file and It doesn't work.

server {
listen 80;
server_name www.kasacja-aut.pl kasacja-aut.pl https://www.kasacja-aut.pl;
return 301 https://kasacja-aut.pl$request_uri;
}