Remove ResolvedServerOld class to clean up unused code and improve maintainability.

src/Socialbox/Objects/ResolvedServerOld.php

@@ -1,25 +0,0 @@
-<?php
-
-namespace Socialbox\Objects;
-
-class ResolvedServer
-{
-    private string $endpoint;
-    private string $publicKey;
-
-    public function __construct(string $endpoint, string $publicKey)
-    {
-        $this->endpoint = $endpoint;
-        $this->publicKey = $publicKey;
-    }
-
-    public function getEndpoint(): string
-    {
-        return $this->endpoint;
-    }
-
-    public function getPublicKey(): string
-    {
-        return $this->publicKey;
-    }
-}