Update to go 1.24, small code cleanup

go.mod

@@ -1,3 +1,3 @@
 module github.com/ChaoticByte/wid-notifier
 
-go 1.22
+go 1.24

mail.go

@@ -66,7 +66,7 @@ func (r Recipient) sendNotices(notices []WidNotice, template MailTemplate, auth
 				logger.error("Could not create mail from template")
 				logger.error(err)
 			}
-			// serialize & send mail
+			// serialize mail
 			data = mailContent.serializeValidMail(smtpConfig.From, r.Address)
 			// add to cache
 			(*cache)[n.Uuid] = data

notice.go

@@ -25,16 +25,6 @@ type WidNotice struct {
 	PortalUrl string
 }
 
-// func (n WidNotice) serialized() ([]byte, error) {
-// 	return json.Marshal(n)
-// }
-
-// func NewWidNoticeFromJSON(data []byte) (WidNotice, error) {
-// 	n := WidNotice{}
-// 	err := json.Unmarshal(data, &n)
-// 	return n, err
-// }
-
 func noticeSliceContains(notices []WidNotice, notice WidNotice) bool {
 	for _, x := range notices {
 		if x.Uuid == notice.Uuid {