Update use statement lists with new Friendica\Database\dba class

- Remove unused use statement
- Remove superfluous use statements (classes in the same namespace)
- Add missing use statements

src/Model/Queue.php

@@ -5,9 +5,9 @@
 namespace Friendica\Model;
 
 use Friendica\Core\Config;
+use Friendica\Database\dba;
 use Friendica\Database\DBM;
 use Friendica\Util\DateTimeFormat;
-use dba;
 
 require_once 'include/dba.php';