remove the spamhaus SBL entry

SpamHaus no longer publish their SBL in a free, downloadable form
suitable for use with spamd. They obviously care more about
subscription dollars than really fighting spam - very sad.
ok deraadt@

src/etc/spamd.conf

@@ -1,4 +1,4 @@
-# $OpenBSD: spamd.conf,v 1.18 2006/04/10 18:47:46 dhartmei Exp $
+# $OpenBSD: spamd.conf,v 1.19 2006/07/11 05:40:33 djm Exp $
 #
 # spamd config file, read by spamd-setup(8) for spamd(8)
 #
@@ -25,15 +25,6 @@
 all:\
 	:spews1:china:korea:
 
-# Mirrored from http://spfilter.openrbl.org/data/sbl/SBL.cidr.bz2
-spamhaus:\
-	:black:\
-	:msg="SPAM. Your address %A is in the Spamhaus Block List\n\
-	See http://www.spamhaus.org/sbl and\
-	http://www.abuse.net/sbl.phtml?IP=%A for more details":\
-	:method=http:\
-	:file=www.openbsd.org/spamd/SBL.cidr.gz:
-
 # Mirrored from http://www.spews.org/spews_list_level1.txt
 spews1:\
 	:black:\