It looks like /template-parts/content-none.php was copied over from twenty sixteen as it still has the wrong meta block in it:
* The template part for displaying a message that posts cannot be found
*
* @package WordPress
* @subpackage Twenty_Sixteen
* @since Twenty Sixteen 1.0
*/
It looks like
/template-parts/content-none.php
was copied over from twenty sixteen as it still has the wrong meta block in it: