Clean CDN hosts

This change addresses some general housecleaning for CDN hosts:

* Removing all hosts that do not resolve
* Removing any rogue whitespaces in CDN `.txt` files
* Removing hirez CDN (as the only host could not be resolved)

arenanet.txt

@@ -1,4 +1,3 @@
 assetcdn.101.arenanetworks.com
 assetcdn.102.arenanetworks.com
 assetcdn.103.arenanetworks.com
-live.patcher.bladeandsoul.com

cache_domains.json

@@ -35,11 +35,6 @@
 			"description": "CDN for frontier games",
 			"domain_files": ["frontier.txt"]
 		},
-		{
-			"name": "hirez",
-			"description": "CDN for hirez",
-			"domain_files": ["hirez.txt"]
-		},
 		{
 			"name": "nexusmods",
 			"description": "Nexus mods / skyrim content",

hirez.txt

@@ -1 +0,0 @@
-hirez.http.internapcdn.net

renegadex.txt

@@ -1,6 +1,5 @@
 us-chi2.cncirc.net
 us-lv2.cncirc.net
-eu-ger.hetzner.ctgamehosts.uk
 us-nj.shockhosting.ctgamehosts.uk
 us-va.ovh.ctgamehosts.uk
 rxp-de1.ts3-server.ch

wargaming.net.txt

@@ -1,9 +1,5 @@
-dl1.wargaming.net
 dl2.wargaming.net
 wg.gcdn.co
-wgusst-na.wargaming.net
-wgusst-eu.wargaming.net
-update-v4r4h10x.worldofwarships.com
 wgus-wotasia.wargaming.net
 dl-wot-ak.wargaming.net
 dl-wot-gc.wargaming.net

xboxlive.txt

@@ -1,8 +1,5 @@
 assets1.xboxlive.com
 assets2.xboxlive.com
-xboxone.loris.llnwd.net
-*.xboxone.loris.llnwd.net
-xboxone.vo.llnwd.net
 xbox-mbr.xboxlive.com
 assets1.xboxlive.com.nsatc.net
 xvcf1.xboxlive.com