Small fixes in the ImportForm.php file

src/Form/ImportForm.php

@@ -28,7 +28,6 @@ class ImportForm extends FormBase {
    */
   protected $deployManager;
 
-
   /**
    * ImportForm constructor.
    *
@@ -60,17 +59,6 @@ class ImportForm extends FormBase {
     return 'dcd_import_form';
   }
 
-  /**
-   * Gets the configuration names that will be editable.
-   *
-   * @return array
-   *   An array of configuration object names that are editable if called in
-   *   conjunction with the trait's config() method.
-   */
-  protected function getEditableConfigNames() {
-    return ['default_content_deploy.import'];
-  }
-
   /**
    * {@inheritdoc}
    */
@@ -137,6 +125,8 @@ class ImportForm extends FormBase {
     $this->messenger->addMessage($this->t('Skipped: @count', [
       '@count' => $count['skip'] ?: 0,
     ]));
+
+    return $this;
   }
 
 }