Refactor: CDN build prefer domainset

Source/domainset/cdn.conf

@@ -1,5 +1,4 @@
-# $ meta_title Sukka's Ruleset - CDN Domains
-# $ meta_description This file contains object storage and static assets CDN domains.
+# $ custom_build_script
 
 # >> Sukka
 .ruleset.skk.moe
@@ -2234,7 +2233,6 @@ images.dmca.com
 static.olelive.com
 media.owcnow.com
 photos5.appleinsider.com
-vanillicon.com
 loutre.blockchair.io
 js-cdn.blockchair.io
 static.tokenview.io