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/Module/Owa.php

@@ -6,23 +6,22 @@ namespace Friendica\Module;
 
 use Friendica\BaseModule;
 use Friendica\Core\System;
+use Friendica\Database\dba;
 use Friendica\Database\DBM;
 use Friendica\Model\Contact;
 use Friendica\Model\OpenWebAuthToken;
 use Friendica\Util\HTTPSignature;
 
-use dba;
-
 /**
  * @brief OpenWebAuth verifier and token generator
- * 
+ *
  * See https://macgirvin.com/wiki/mike/OpenWebAuth/Home
  * Requests to this endpoint should be signed using HTTP Signatures
  * using the 'Authorization: Signature' authentication method
  * If the signature verifies a token is returned.
  *
  * This token may be exchanged for an authenticated cookie.
- * 
+ *
  * Ported from Hubzilla: https://framagit.org/hubzilla/core/blob/master/Zotlabs/Module/Owa.php
  */
 class Owa extends BaseModule