Satisfying staticcheck linter

internal/router/os_freebsd.go

@@ -1,6 +1,7 @@
 package router
 
 import (
+	"bytes"
 	"fmt"
 	"net"
 	"os"
@@ -116,6 +117,11 @@ func (or *osRouter) Cleanup() error {
 	return nil
 }
 
+func isPfsense() bool {
+	b, err := os.ReadFile("/etc/platform")
+	return err == nil && bytes.HasPrefix(b, []byte("pfSense"))
+}
+
 const bsdInitScript = `#!/bin/sh
 
 # PROVIDE: {{.Name}}

internal/router/router.go

@@ -93,8 +93,7 @@ func IsOldOpenwrt() bool {
 var routerPlatform atomic.Pointer[router]
 
 type router struct {
-	name           string
-	sendClientInfo bool
+	name string
 }
 
 // Name returns name of the router platform.
@@ -241,8 +240,3 @@ func unameU() []byte {
 	out, _ := exec.Command("uname", "-u").Output()
 	return out
 }
-
-func isPfsense() bool {
-	b, err := os.ReadFile("/etc/platform")
-	return err == nil && bytes.HasPrefix(b, []byte("pfSense"))
-}