Remove unneeded Config namespace usages

statusnet/library/statusnetoauth.php

@@ -1,6 +1,5 @@
 <?php
 
-use Friendica\Core\Config;
 use Friendica\DI;
 
 require_once __DIR__ . DIRECTORY_SEPARATOR . 'twitteroauth.php';

statusnet/statusnet.php

@@ -42,7 +42,6 @@ use Friendica\App;
 use Friendica\Content\OEmbed;
 use Friendica\Content\Text\HTML;
 use Friendica\Content\Text\Plaintext;
-use Friendica\Core\Config;
 use Friendica\Core\Hook;
 use Friendica\Core\Logger;
 use Friendica\Core\Protocol;