Fix set_system_proxy when using sudo

common/settings/command.go

@@ -3,13 +3,9 @@ package settings
 import (
 	"os"
 	"os/exec"
-	"strings"
-
-	"github.com/sagernet/sing-box/log"
 )
 
 func runCommand(name string, args ...string) error {
-	log.Debug(name, " ", strings.Join(args, " "))
 	command := exec.Command(name, args...)
 	command.Env = os.Environ()
 	command.Stdin = os.Stdin