Remove unneeded Config namespace usages

src/Content/Text/BBCode.php

@@ -10,7 +10,6 @@ use DOMXPath;
 use Exception;
 use Friendica\Content\OEmbed;
 use Friendica\Content\Smilies;
-use Friendica\Core\Config;
 use Friendica\Core\Hook;
 use Friendica\Core\Logger;
 use Friendica\Core\Protocol;

src/Content/Text/HTML.php

@@ -9,7 +9,6 @@ use DOMDocument;
 use DOMXPath;
 use Friendica\Content\Widget\ContactBlock;
 use Friendica\Core\Hook;
-use Friendica\Core\Config;
 use Friendica\Core\Renderer;
 use Friendica\DI;
 use Friendica\Model\Contact;