Issue #3225947 by larowlan, longwave: Remove redundant...

Issue #3225947 by larowlan, longwave: Remove redundant entity_reference.install and simpletest_install()

core/modules/entity_reference/entity_reference.install

-<?php
-
-/**
- * @file
- * Entity Reference install functions.
- */
-
-/**
- * Implements hook_requirements().
- */
-function entity_reference_requirements($phase) {
-
-  $requirements = [];
-
-  if ($phase === 'install') {
-    $requirements['entity_reference'] = [
-      'title' => t('Entity Reference: Deprecated'),
-      'description' => t('Entity Reference is deprecated, all functionality has been moved to Core.'),
-      'value' => \Drupal::VERSION,
-      'severity' => REQUIREMENT_ERROR,
-    ];
-  }
-
-  return $requirements;
-
-}

core/modules/simpletest/simpletest.install

@@ -11,25 +11,6 @@
 use Drupal\Core\Test\TestDatabase;
 use Symfony\Component\Console\Output\NullOutput;
 
-/**
- * Implements hook_requirements().
- */
-function simpletest_requirements($phase) {
-  $requirements = [];
-  // Notify about the module being deprecated.
-  if ($phase == 'install' || $phase == 'runtime') {
-    $requirements['simpletest'] = [
-      'title' => t('SimpleTest'),
-      'severity' => REQUIREMENT_ERROR,
-      'description' => t('SimpleTest has been removed from Drupal 9.0.0 and can no longer be installed. A contributed module is available for those who wish to continue using SimpleTest during the transition from Drupal 8 to 9. <a href=":change-record">See the change record for more information</a>.', [
-        ':change-record' => 'https://www.drupal.org/node/3091784',
-      ]),
-    ];
-  }
-
-  return $requirements;
-}
-
 /**
  * Implements hook_schema().
  */