LSM: remove stale web site from MAINTAINERS

Pointed out by Adrian Bunk.
Signed-off-by: Chris Wright <chrisw@sous-sol.org>

MAINTAINERS

@@ -2565,7 +2565,6 @@ LINUX SECURITY MODULE (LSM) FRAMEWORK
 P:	Chris Wright
 M:	chrisw@sous-sol.org
 L:	linux-security-module@vger.kernel.org
-W:	http://lsm.immunix.org
 T:	git kernel.org:/pub/scm/linux/kernel/git/chrisw/lsm-2.6.git
 S:	Supported