Revert "WIP New ros cli"

cmd/control/util.go

@@ -0,0 +1,21 @@
+package control
+
+import (
+	"bufio"
+	"fmt"
+	"os"
+	"strings"
+
+	"github.com/rancher/os/log"
+)
+
+func yes(question string) bool {
+	fmt.Printf("%s [y/N]: ", question)
+	in := bufio.NewReader(os.Stdin)
+	line, err := in.ReadString('\n')
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	return strings.ToLower(line[0:1]) == "y"
+}