[BUGFIX] Single attachements are sent twice in the mail

Classes/Service/MailTemplateService.php

@@ -401,19 +401,9 @@ class MailTemplateService {
 	 * @param FileReference $file
 	 *
 	 * @return MailTemplateService
-	 * @throws \TYPO3\CMS\Core\Resource\Exception\ResourceDoesNotExistException
 	 */
 	public function addFileResourceAttachment(FileReference $file): MailTemplateService {
-		$originalResource = $file->getOriginalResource();
-		if (!$originalResource) {
-			return $this;
-		}
-
 		$this->markers[] = $file;
-		/** @noinspection PhpParamsInspection */
-		$this->addAttachment(
-			$originalResource->getContents(), $originalResource->getName(), $originalResource->getMimeType()
-		);
 		return $this;
 	}