php8.0 버전 호환 코드 적용 및 PHP 끝 태그 삭제 일괄적용

plugin/kcaptcha/kcaptcha_image.php

@@ -5,5 +5,4 @@ include_once('captcha.lib.php');
 $captcha = new KCAPTCHA();
 $captcha->setKeyString(get_session("ss_captcha_key"));
 $captcha->getKeyString();
-$captcha->image();
-?>
+$captcha->image();