Update Dockerfile

Dockerfile

@@ -21,9 +21,6 @@ COPY ./searxng /etc/searxng
 # 安装 Cloudflare CLI 工具
 COPY --from=cloudflare/cloudflared:latest /usr/local/bin/cloudflared /usr/local/bin/cloudflared
 
-# 设置 UDP 缓冲区大小以支持 QUIC 协议
-RUN echo "net.core.rmem_max=8388608" >> /etc/sysctl.conf \
-  && echo "net.core.rmem_default=8388608" >> /etc/sysctl.conf
 
 # 修改 ping_group_range，确保 cloudflared 进程有权限使用 ICMP proxy
 RUN echo "net.ipv4.ping_group_range=0 65535" >> /etc/sysctl.conf