Don't escape the code so the markdown lib can do it

Signed-off-by: Joas Schilling <coding@schilljs.com>

lib/Controller/APIController.php

@@ -170,7 +170,7 @@ protected function renderAnnouncement(Announcement $announcement): array {
 			'author' => $displayName,
 			'time' => $announcement->getTime(),
 			'subject' => $announcement->getSubject(),
-			'message' => $announcement->getParsedMessage(),
+			'message' => $announcement->getMessage(),
 			'groups' => null,
 			'comments' => $announcement->getAllowComments() ? $this->manager->getNumberOfComments($announcement) : false,
 		];