Clean up (#3015)

* tld-cn: add more cn TLDs

* mastercard: remove redundant priceless.com

it appears twice

* thescoregroup: remove redundant juliamiles.com

it appears twice

* visa: remove redundant visainfinite.ca

it appears twice

* update category-porn

to lowercase, include pornhub, dedup, sort

* clean up white spaces

data/mastercard

@@ -109,7 +109,6 @@ onedinesfree.com
 paypass.net
 pieceofplastic.com
 predictivetechnologies.com
-priceless.com
 pricelessmarketingengine.com
 sbitravelcard.com
 shoppercentre.com