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/category-gov-ru

@@ -31,7 +31,7 @@ nalog.ru        # Federal Tax Service
 #
 
 # Federal Cities (Cities of Federal Importance)
-mos.ru          # Moscow 
+mos.ru          # Moscow
 mosreg.ru       # Moscow Region
 spb.ru          # St. Petersburg
 sevastopol.ru   # Sevastopol