Remove unused code

pkg/backend/actions.go

@@ -23,7 +23,3 @@ func stopVPN() {
 			Msg("Could not stop VPN")
 	}
 }
-
-func getGateway() string {
-	return ctx.bm.GetCurrentGateway()
-}

pkg/bitmask/autostart/autostart.go

@@ -29,10 +29,6 @@ import (
 	pmautostart "github.com/ProtonMail/go-autostart"
 )
 
-const (
-	errorMsg = `An error has ocurred initializing the VPN: %v`
-)
-
 // Autostart holds the functions to enable and disable the application autostart
 type Autostart interface {
 	Disable() error

pkg/helper/ports.go

-package helper
-
-import (
-	"io/ioutil"
-	"net"
-	"os"
-	"path"
-	"strconv"
-)
-
-func getFirstAvailablePortFrom(port int) int {
-	for {
-		if isPortAvailable(port) {
-			return port
-		}
-		if port > 65535 {
-			return 0
-		}
-		port += 1
-	}
-}
-
-func isPortAvailable(port int) bool {
-	conn, err := net.Dial("tcp", "127.0.0.1:"+strconv.Itoa(port))
-	if err != nil {
-		return true
-	} else {
-		defer conn.Close()
-		return false
-	}
-}
-
-func writePortToFile(port int) error {
-	exeDir, err := getExecutableDir()
-	if err != nil {
-		return err
-	}
-	portFile := path.Join(exeDir, "port")
-	return ioutil.WriteFile(portFile, []byte(strconv.Itoa(port)+"\n"), 0644)
-
-}
-
-func getExecutableDir() (string, error) {
-	ex, err := os.Executable()
-	if err != nil {
-		return "", err
-	}
-	return path.Dir(ex), nil
-}