Steam: Remove uncontaminated domains

fix https://github.com/googlehosts/hosts/issues/256

data/hosts.yml

@@ -4043,20 +4043,8 @@ hosts:
 
   - name: Steam
     items:
-      - ip: 223.119.217.234
+      - ip: 104.71.136.93
         domain: steamcommunity.com
-      - ip: 173.223.87.13
-        domain: help.steampowered.com
-      - ip: 23.37.147.226
-        domain: store.steampowered.com
-      - ip: 23.4.240.26
-        domain: steamcommunity-a.akamaihd.net
-      - ip: 184.28.218.74
-        domain: steamuserimages-a.akamaihd.net
-      - ip: 184.25.205.16
-        domain: steamcdn-a.akamaihd.net
-      - ip: 184.25.205.19
-        domain: cdn.akamai.steamstatic.com
 
   - name: Theinitium
     items: