Set http2 at http level

Ref: https://github.com/linuxserver/docker-baseimage-alpine-nginx/pull/167

Signed-off-by: Eric Nemchik <eric@nemchik.com>

emulatorjs.subdomain.conf.sample

@@ -1,4 +1,4 @@
-## Version 2023/05/31
+## Version 2024/05/29
 # make sure that your emulatorjs container is named emulatorjs
 # make sure that your dns has a cname set for emulatorjs
 # In emulatorjs docker arguments, set an env variable for SUBFOLDER=/backend/
@@ -6,8 +6,7 @@
 # Don't forget to enable auth at least for the /backend/ location
 
 server {
-    listen 443 ssl http2;
-    listen [::]:443 ssl http2;
+    listen *:443 ssl;
 
     server_name emulatorjs.*;