Remove NewSecret function and related import from helpers.go

pkg/core/helpers.go

@@ -7,8 +7,6 @@ import (
 	"strconv"
 	"strings"
 	"time"
-
-	"github.com/AlexxIT/go2rtc/internal/app"
 )
 
 const (
@@ -91,7 +89,3 @@ func StripUserinfo(s string) string {
 	sanitizer := regexp.MustCompile(`://[` + userinfo + `]+@`)
 	return sanitizer.ReplaceAllString(s, `://***@`)
 }
-
-func NewSecret(name string, defaultValues interface{}) (*app.Secret, error) {
-	return app.NewSecret(name, defaultValues)
-}