Issue #2527638 followup by xjm: Fix duplicated setUp() method in MigrateDrupal7TestBase

core/modules/migrate_drupal/src/Tests/d7/MigrateDrupal7TestBase.php

@@ -22,14 +22,6 @@ protected function setUp() {
     $this->installMigrations('Drupal 7');
   }
 
-  /**
-   * {@inheritdoc}
-   */
-  protected function setUp() {
-    parent::setUp();
-    $this->installMigrations('Drupal 7');
-  }
-
   /**
    * {@inheritdoc}
    */