refactor: remove unused Caddyfile configuration

docker/Caddyfile

@@ -1,24 +0,0 @@
-# Leave this section
-{
-  admin off
-}
-
-http://localhost {
-  root * /app/public
-
-  encode zstd gzip
-  php_fastcgi isop-php-fpm:9000
-
-  @laravel_not_found {
-      not file
-      not path /index.php*
-  }
-  rewrite @laravel_not_found /index.php
-
-  file_server
-}
-
-# Leave this section
-http://localhost:2019 {
-  metrics /metrics
-}