Revert changes on nginx configuration

nginx.conf

@@ -27,26 +27,6 @@ http {
 
     server {
       listen 80;
-
-      location /.well-known/acme-challenge/ {
-        root /var/www/certbot;
-      }
-
-      location / {
-        root   /usr/share/nginx/html;
-        index  index.html index.htm;
-        try_files $uri $uri/ /index.html;
-        #try_files $uri =404;
-      }
-    }
-
-    server {
-      listen 443 ssl;
-
-      ssl_certificate /etc/letsencrypt/live/polkauction.io/fullchain.pem;
-      ssl_certificate_key /etc/letsencrypt/live/polkauction.io/privkey.pem;
-      include /etc/letsencrypt/options-ssl-nginx.conf;
-      ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem;
 
       location / {
         root   /usr/share/nginx/html;