remove proxy_set_header X-Forwarded-Proto $scheme for https

nginx/sharelatex.conf

@@ -10,7 +10,6 @@ server {
 		proxy_set_header Upgrade $http_upgrade;
 		proxy_set_header Connection "upgrade";
 		proxy_set_header X-Forwarded-Host $host;
-		proxy_set_header X-Forwarded-Proto $scheme;
 		proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
 		proxy_read_timeout 3m;
 		proxy_send_timeout 3m;