Remove old updater

app/src/main/java/com/hippo/ehviewer/client/EhDns.java

@@ -47,8 +47,6 @@ public class EhDns implements Dns {
         put(map, "forums.e-hentai.org", "94.100.18.243");
         put(map, "ehgt.org", "81.171.14.118");
         put(map, "ul.ehgt.org", "94.100.24.82");
-        put(map, "github.com", "192.30.255.112");
-        put(map, "raw.githubusercontent.com", "151.101.0.133");
         builtInHosts = map;
     }