Eliminate references to obsolete statistics module.

module/VuFindAdmin/config/module.config.php

@@ -8,7 +8,6 @@ $config = [
             'VuFindAdmin\Controller\ConfigController' => 'VuFind\Controller\AbstractBaseFactory',
             'VuFindAdmin\Controller\MaintenanceController' => 'VuFind\Controller\AbstractBaseFactory',
             'VuFindAdmin\Controller\SocialstatsController' => 'VuFind\Controller\AbstractBaseFactory',
-            'VuFindAdmin\Controller\StatisticsController' => 'VuFind\Controller\AbstractBaseFactory',
             'VuFindAdmin\Controller\TagsController' => 'VuFind\Controller\AbstractBaseFactory',
         ],
         'aliases' => [
@@ -16,7 +15,6 @@ $config = [
             'AdminConfig' => 'VuFindAdmin\Controller\ConfigController',
             'AdminMaintenance' => 'VuFindAdmin\Controller\MaintenanceController',
             'AdminSocial' => 'VuFindAdmin\Controller\SocialstatsController',
-            'AdminStatistics' => 'VuFindAdmin\Controller\StatisticsController',
             'AdminTags' => 'VuFindAdmin\Controller\TagsController',
         ],
     ],
@@ -73,16 +71,6 @@ $config = [
                             ]
                         ]
                     ],
-                    'statistics' => [
-                        'type' => 'Zend\Router\Http\Segment',
-                        'options' => [
-                            'route'    => '/Statistics[/:action]',
-                            'defaults' => [
-                                'controller' => 'AdminStatistics',
-                                'action'     => 'Home',
-                            ]
-                        ]
-                    ],
                     'tags' => [
                         'type' => 'Zend\Router\Http\Segment',
                         'options' => [

themes/bootstrap3/templates/admin/home.phtml

@@ -6,7 +6,6 @@
   $coreLabels = [
     'biblio' => $this->translate('Bibliographic Index'),
     'authority' => $this->translate('Authority Index'),
-    'stats' => $this->translate('Usage Statistics Index')
   ];
 ?>
 <div class="<?=$this->layoutClass('mainbody')?>">