Fix: send test mail (complete)

src/web/php/mail/mail_setting.php

@@ -20,9 +20,6 @@ class MailSetting {
 	// 요청 method mail 발송 : POST, 발송 확인 GET
 	public $method = "POST";
 
-	// 요청 ID
-	public $requestId = "";
-
 
 	public $space = " ";
 	public $newLine = "\n";