FileModel::deleteFiles

static function deleteFiles()
{
	$result = new MainEntityEventResult();
	foreach(static::$filesToDelete as $fileId)
	{
		if($fileId > 0)
		{
			$deleteResult = FileTable::delete($fileId);
			if(!$deleteResult->isSuccess())
			{
				$result->setErrors($deleteResult->getErrors());
			}
		}
	}
	static::$filesToDelete = [];
	return $result;
}