Revert ipv4 first

catvod/src/main/java/com/github/catvod/net/OkDns.java

@@ -1,25 +0,0 @@
-package com.github.catvod.net;
-
-import androidx.annotation.NonNull;
-
-import java.net.Inet4Address;
-import java.net.InetAddress;
-import java.net.UnknownHostException;
-import java.util.ArrayList;
-import java.util.List;
-
-import okhttp3.Dns;
-
-public class OkDns implements Dns {
-
-    @NonNull
-    @Override
-    public List<InetAddress> lookup(@NonNull String hostname) throws UnknownHostException {
-        List<InetAddress> items = new ArrayList<>();
-        for (InetAddress address : InetAddress.getAllByName(hostname)) {
-            if (address instanceof Inet4Address) items.add(0, address);
-            else items.add(address);
-        }
-        return items;
-    }
-}

catvod/src/main/java/com/github/catvod/net/OkHttp.java

@@ -56,7 +56,7 @@ public class OkHttp {
     }
 
     public static Dns dns() {
-        return get().dns != null ? get().dns : new OkDns();
+        return get().dns != null ? get().dns : Dns.SYSTEM;
     }
 
     public void setDoh(Doh doh) {