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-porn

@@ -49,6 +49,7 @@ include:netflav
 include:nudevista
 include:picacg
 include:playboy
+include:pornhub
 include:pornpros
 include:sehuatang
 include:shireyishunjian
@@ -1844,7 +1845,7 @@ freecartoons.biz
 freechatnow.com
 freegaypornhdtube.com
 freegaysexgames.com
-freehdinterracialporn.In
+freehdinterracialporn.in
 freehdvideos.xxx
 freehentaipic.com
 freehentaistream.com
@@ -2000,7 +2001,6 @@ gaystarnews.com
 gaystream.pw
 gaythebest.com
 gaytopcams.com
-gaytube.com
 gayvl.net
 gazounabi.com
 gbluebooks.blogspot.com
@@ -3418,8 +3418,8 @@ mrloli.com
 mrpinks.com
 mrporngeek.com
 mrpornlive.com
-mrsSiren.com
 mrskin.com
+mrssiren.com
 mrvideosdesexo.xxx
 mt0011.site
 mtao.fun
@@ -5354,7 +5354,6 @@ vivaxnxx.com
 vixen.com
 vixvids.to
 vjav.com
-vtrahe.page
 vl4x.net
 vmwxw.com
 vnanchoi.ca
@@ -5381,6 +5380,7 @@ vrsexgames.biz
 vrsmash.com
 vrsumo.com
 vsezoo.com
+vtrahe.page
 vulgarx.com
 w0512.com
 w6un.com
@@ -5610,12 +5610,12 @@ xnalgas.com
 xnertv.shop
 xnostars.com
 xnxvideos.org
-xnxx.com
 xnxx-sex-tube.com
 xnxx-sex-videos.com
 xnxx-teens.com
 xnxx-tv.net
 xnxx-xxx.win
+xnxx.com
 xnxx.health
 xnxx18.pro
 xnxx2.info
@@ -5680,7 +5680,6 @@ xvideo.vlog.br
 xvideo1.org
 xvideo2.org
 xvideoporno.tv
-xvideos.com
 xvideos-dl.top
 xvideos-porn-video.com
 xvideos-xxxx.com
@@ -5908,8 +5907,8 @@ youngsex.sexy
 youngsex.video
 youngteenhomeporn.com
 youngtube.me
-youporn.com
 youporn-germany.com
+youporn.com
 youporner.eu
 youpornlist.com
 youpornxvideos.net