MAINTIANERS: Blackfin: remove subscribers-only marking

remove subscribers-only marking as the list is
automatically & silently moderated for people
Signed-off-by: NMike Frysinger <vapier.adi@gmail.com>
Signed-off-by: NBryan Wu <cooloney@kernel.org>

MAINTAINERS

@@ -911,7 +911,7 @@ S:	Maintained
 BLACKFIN ARCHITECTURE
 P:	Bryan Wu
 M:	cooloney@kernel.org
-L:	uclinux-dist-devel@blackfin.uclinux.org (subscribers-only)
+L:	uclinux-dist-devel@blackfin.uclinux.org
 W:	http://blackfin.uclinux.org
 S:	Supported