remove not use message

shadowsocks-csharp/Data/cn.txt

@@ -70,5 +70,4 @@ No QRCode found. Try to zoom in or move it to the center of the screen.=未发
 Failed to decode QRCode=无法解析二维码
 Failed to update registry=无法修改注册表
 System Proxy On: =系统代理已启用：
-Running: Port {0}=正在运行：端口 {0}
-PAC Url can not be blank=PAC 网址不能为空
+Running: Port {0}=正在运行：端口 {0}