refs #19225 [finc] fix in module.config.php

* removes erroneous AjaxController definition

module/finc/config/module.config.php

@@ -50,7 +50,6 @@ $config = [
             'VuFind\Controller\MyResearchController' => 'finc\Controller\MyResearchController',
             'VuFind\Controller\RecordController' => 'finc\Controller\RecordController',
             'VuFind\Controller\RecordsController' => 'finc\Controller\RecordsController',
-            'VuFind\Controller\AjaxController' => 'finc\Controller\AjaxController',
         ],
     ],
     'controller_plugins' => [