mediawiki: Use less aggressive DNSBLs

Author: Firefishy

cookbooks/mediawiki/templates/default/LocalSettings.php.erb

@@ -231,10 +231,9 @@ $wgNamespacesWithSubpages[NS_MAIN] = true;
 # DNS Blacklists to use
 $wgEnableDnsBlacklist = true;
 $wgDnsBlacklistUrls = [
-  'proxies.dnsbl.sorbs.net.',
-  'opm.tornevall.org.',
+  'http.dnsbl.sorbs.net.',
   'xbl.spamhaus.org.',
-  'dnsbl-2.uceprotect.net.'
+  'dnsbl-1.uceprotect.net.'
 ];
 
 # Require validated email to edit