Issue #3328516: Deprecate AutomaticUpdatesFunctionalTestBase::setCoreUpdate()

tests/src/Functional/AutomaticUpdatesFunctionalTestBase.php

@@ -33,18 +33,6 @@ abstract class AutomaticUpdatesFunctionalTestBase extends BrowserTestBase {
     'package_manager_bypass',
   ];
 
-  /**
-   * Set the core update version.
-   *
-   * @param string $version
-   *   The core version.
-   */
-  protected function setCoreUpdate(string $version): void {
-    $stage_manipulator = new StageFixtureManipulator();
-    $stage_manipulator->setCorePackageVersion($version)
-      ->setReadyToCommit();
-  }
-
   /**
    * The service IDs of any validators to disable.
    *