Issue #3331946 Fix the issues reported by phpcs.

Closes #3331946

src/Form/AllowedConfigTokensForm.php

@@ -2,10 +2,8 @@
 
 namespace Drupal\config_token\Form;
 
-use Drupal\Core\Config\ConfigFactoryInterface;
 use Drupal\Core\Form\ConfigFormBase;
 use Drupal\Core\Form\FormStateInterface;
-use Symfony\Component\DependencyInjection\ContainerInterface;
 
 /**
  * Displays the Allowed Tokens form.
@@ -48,17 +46,17 @@ class AllowedConfigTokensForm extends ConfigFormBase {
     $tokens[''] = '';
 
     // @todo add link to token list /admin/help/token
-    $form['values'] = array(
+    $form['values'] = [
       '#type' => 'table',
       '#caption' => '',
-      '#header' => array(
+      '#header' => [
         $this->t('Format'),
         $this->t('Token (machine name)'),
         $this->t('Name'),
         $this->t('Description'),
         $this->t('Action'),
-      ),
-    );
+      ],
+    ];
 
     $i = 0;
     foreach ($tokens as $token => $value) {
@@ -92,7 +90,7 @@ class AllowedConfigTokensForm extends ConfigFormBase {
           '#value' => $this->t('Delete'),
           '#name' => 'delete',
           '#index' => $i,
-        ];  
+        ];
       }
       else {
         $form['values'][$i]['add'] = [
@@ -100,7 +98,7 @@ class AllowedConfigTokensForm extends ConfigFormBase {
           '#value' => $this->t('Add'),
           '#name' => 'add',
           '#index' => $i,
-        ];  
+        ];
       }
     }