Remove curl_close call that is deprecated since PHP 8.5 and has not

effect since PHP 8.0 (close #5)

Author: Huluti

src/Xternalsoft/Whois/Loaders/CurlLoader.php

@@ -102,7 +102,6 @@ public function loadText($whoisHost, $query)
         $result = curl_exec($curl);
         $errstr = curl_error($curl);
         $errno = curl_errno($curl);
-        curl_close($curl);
         fclose($input);
 
         if ($result === false) {