MAINTAINERS: Remove Toshiba Linux mailing list address

As of March 31th 2015, the mailing-list service finished [1].

This patch simply removes such address.

[1] http://goo.gl/F6jS5r

Signed-off-by: Azael Avalos <coproscefalo@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>

MAINTAINERS

@@ -10314,7 +10314,6 @@ F:	drivers/platform/x86/toshiba_haps.c
 
 TOSHIBA SMM DRIVER
 M:	Jonathan Buzzard <jonathan@buzzard.org.uk>
-L:	tlinux-users@tce.toshiba-dme.co.jp
 W:	http://www.buzzard.org.uk/toshiba/
 S:	Maintained
 F:	drivers/char/toshiba.c