scsi: MAINTAINERS: Drop DC395x list and site

Emails to DC395x list bounce (550 error) and visiting the site returns 404
page.

Drop both twibble.org links. The driver should now be covered by linux-scsi
list.

Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com>
Link: https://lore.kernel.org/r/20230510093933.19985-2-bagasdotme@gmail.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

MAINTAINERS

@@ -5716,10 +5716,7 @@ DC395x SCSI driver
 M:	Oliver Neukum <oliver@neukum.org>
 M:	Ali Akcaagac <aliakc@web.de>
 M:	Jamie Lenehan <lenehan@twibble.org>
-L:	dc395x@twibble.org
 S:	Maintained
-W:	http://twibble.org/dist/dc395x/
-W:	http://lists.twibble.org/mailman/listinfo/dc395x/
 F:	Documentation/scsi/dc395x.rst
 F:	drivers/scsi/dc395x.*