RewriteEngine On
RewriteCond %{HTTPS} on
RewriteRule (.*) http://%{HTTP_HOST}%{REQUEST_URI} [R=301,L]

server {
    listen 443 ssl;
    server_name ornek.com;
    ssl_certificate /path/to/your/certificate.crt;
    ssl_certificate_key /path/to/your/private/key.key;

    location / {
        rewrite ^ http://$host$request_uri? permanent;
    }
}