refactor: Remove HTTP/3 optimization settings from environment and docker-compose configuration.

Author: terabytesoftw

.env

@@ -10,9 +10,3 @@ GROUP_NAME=www-data
 # Yii2 environment settings
 YII_DEBUG=true
 YII_ENV=dev
-
-# HTTP/3 optimization settings
-# UDP buffer size for better HTTP/3 performance
-# Used in docker-compose.production.yml for high-load scenarios
-# Default: 7168000 (7MB) - eliminates the "failed to increase buffer" warning
-UDP_BUFFER_SIZE=7168000

docker-compose.frankenphp.yml

@@ -21,9 +21,6 @@ services:
       - '8444:443'
       - '8444:443/udp'
     restart: always
-    sysctls:
-      - net.core.rmem_max=${UDP_BUFFER_SIZE:-7168000}
-      - net.core.rmem_default=${UDP_BUFFER_SIZE:-7168000}
     volumes:
       - ./:/app
       - ${HOME}/.composer-docker/cache:/var/www/.composer/cache:delegated