remove old version online subscription

tools/seq/main.go

@@ -12,7 +12,7 @@ func main() {
 		config string
 		second int
 	)
-	flag.StringVar(&config, "c", "/Users/chao/Desktop/project/open-im-server/config", "config directory")
+	flag.StringVar(&config, "c", "", "config directory")
 	flag.IntVar(&second, "sec", 3600*24, "delayed deletion of the original seq key after conversion")
 	flag.Parse()
 	if err := internal.Main(config, time.Duration(second)*time.Second); err != nil {