Remove dead & outdated domains

Source/domainset/cdn.conf

@@ -611,7 +611,6 @@ content.jwplatform.com
 .jwpcdn.com
 .jwpsrv.com
 .ninjastream.to
-.pztv.ca
 fast.wistia.com
 embedwistia-a.akamaihd.net
 embed-ssl.wistia.com
@@ -970,7 +969,7 @@ cdn.embedly.com
 cdn.embed.ly
 i-cdn.embed.ly
 cdn.tolt.io
-cdn.sellix.io
+# cdn.sellix.io # seized by FBI
 assets.calendly.com
 cdn.commento.io
 js.hsforms.net
@@ -3082,7 +3081,6 @@ kdata1.com
 img.kbhgames.com
 s3.filebase.com
 .myfilebase.com
-upload.filebase.com
 d4.alternativeto.net
 static-assets-web.flixcart.com
 .kinja-img.com
@@ -3784,7 +3782,6 @@ integrations.gitbook.com
 psp-logos.uptimerobot.com
 static.k2s.cc
 static.fboom.me
-image.4fuk.org
 .doodcdn.co
 .cloudatacdn.com
 .fastlycdn.com