Update duokai.sh

duokai.sh

@@ -17,19 +17,6 @@ then
     echo "未检测到 Docker，正在安装..."
     sudo apt-get install ca-certificates curl gnupg lsb-release
     
-    # 添加 Docker 官方 GPG 密钥
-    sudo mkdir -p /etc/apt/keyrings
-    curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /etc/apt/keyrings/docker.gpg
-
-    # 设置 Docker 仓库
-    echo \
-      "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/ubuntu \
-      $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
-
-    # 授权 Docker 文件
-    sudo chmod a+r /etc/apt/keyrings/docker.gpg
-    sudo apt-get update
-
     # 安装 Docker 最新版本
     sudo apt-get install docker.io -y
 else