Issue #3455416: Resolved the machine_name error and applied the mentioned changes.

Issue #3455416: Resolved the machine_name error and applied the mentioned changes.

Closes #3455416

src/Entity/Link.php

@@ -560,32 +560,6 @@ public function getDerivativeId() {
     return $this->get('uuid')->value;
   }
 
-  /**
-   * {@inheritdoc}
-   */
-  public function getMachineName() {
-    return $this->get('machine_name')->value;
-  }
-
-  /**
-   * Checks that an existing machine name does not already exist.
-   *
-   * This is a static mehod so it can be used by a machine name field.
-   *
-   * @param string $machine_name
-   *   The machine name to load the entity by.
-   *
-   * @return \Drupal\colossal_menu\Entity\Link|null
-   *   Loaded Link entity or NULL if not found.
-   */
-  public static function loadByMachineName($machine_name) {
-    $storage = \Drupal::service('entity_type.manager')->getStorage('colossal_menu_link');
-    $result = $storage->getQuery()
-      ->condition('machine_name', $machine_name)
-      ->execute();
-    return $result ? $storage->loadMultiple($result) : [];
-  }
-
   /**
    * Get the database connection.
    *