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

mod/suggest.php

@@ -2,15 +2,16 @@
 /**
  * @file mod/suggest.php
  */
+
 use Friendica\App;
 use Friendica\Content\ContactSelector;
 use Friendica\Content\Widget;
 use Friendica\Core\L10n;
 use Friendica\Core\System;
+use Friendica\Database\dba;
 use Friendica\Database\DBM;
 use Friendica\Model\Contact;
 use Friendica\Model\GContact;
-use Friendica\Model\Profile;
 
 function suggest_init(App $a) {
 	if (! local_user()) {