Remove main, use tests to check

Author: Holger Lösken

src/go/t1/s1.go

@@ -1,8 +1,6 @@
 package main
 
 import (
-	"fmt"
-	"os"
 	"strconv"
 	"strings"
 )
@@ -31,21 +29,3 @@ func Maskify(cc string) string {
 
 	return strings.Join(masked, "")
 }
-
-func main()  {
-	cc := ""
-
-	if len(os.Args) > 1 {
-		cc = os.Args[1]
-	} else {
-		os.Exit(0)
-	}
-
-	// Do no mask if cc less than 6 or empty string
-	if len(cc) < 6 {
-		fmt.Println(cc)
-		os.Exit(0)
-	}
-
-	fmt.Printf(Maskify(cc))
-}