Move remaining namespaces and delete Core\Cache.php

src/Content/OEmbed.php

@@ -10,7 +10,7 @@ use DOMNode;
 use DOMText;
 use DOMXPath;
 use Exception;
-use Friendica\Core\Cache;
+use Friendica\Core\Cache\Cache;
 use Friendica\Core\Config;
 use Friendica\Core\Hook;
 use Friendica\Core\L10n;

src/Content/Text/BBCode.php

@@ -10,7 +10,6 @@ use DOMXPath;
 use Exception;
 use Friendica\Content\OEmbed;
 use Friendica\Content\Smilies;
-use Friendica\Core\Cache;
 use Friendica\Core\Config;
 use Friendica\Core\Hook;
 use Friendica\Core\L10n;

src/Content/Widget/TrendingTags.php

@@ -2,10 +2,8 @@
 
 namespace Friendica\Content\Widget;
 
-use Friendica\Core\Cache;
 use Friendica\Core\L10n;
 use Friendica\Core\Renderer;
-use Friendica\Database\DBA;
 use Friendica\Model\Term;
 
 /**