set the separator as a config and not an arg

cmd/africastalking/main.go

@@ -115,7 +115,6 @@ func main() {
 	var engineDebug bool
 	var host string
 	var port uint
-	var separator string
 	flag.StringVar(&dbDir, "dbdir", ".state", "database dir to read from")
 	flag.StringVar(&resourceDir, "resourcedir", path.Join("services", "registration"), "resource dir")
 	flag.StringVar(&database, "db", "gdbm", "database to be used")
@@ -123,7 +122,6 @@ func main() {
 	flag.UintVar(&size, "s", 160, "max size of output")
 	flag.StringVar(&host, "h", initializers.GetEnv("HOST", "127.0.0.1"), "http host")
 	flag.UintVar(&port, "p", initializers.GetEnvUint("PORT", 7123), "http port")
-	flag.StringVar(&separator, "sep", ": ", "custom separator for the menu")
 	flag.Parse()
 
 	logg.Infof("start command", "build", build, "dbdir", dbDir, "resourcedir", resourceDir, "outputsize", size)
@@ -136,7 +134,7 @@ func main() {
 		Root:          "root",
 		OutputSize:    uint32(size),
 		FlagCount:     uint32(128),
-		MenuSeparator: separator,
+		MenuSeparator: ": ",
 	}
 
 	if engineDebug {