AC-14681: CNS WebApi Failed tests for 2.4.9-alpha1 for OpenSearch

Removed unused private method to fix static test failure

Author: sumesh-GL

dev/tests/api-functional/testsuite/Magento/GraphQl/Catalog/ProductCanonicalUrlTest.php

@@ -100,15 +100,4 @@ public function testProductWithCanonicalLinksMetaTagSettingsDisabled()
         );
         $this->assertEquals('simple', $response['products']['items'][0]['sku']);
     }
-
-    private function reindex()
-    {
-        $indexer = $this->objectManager->create(Indexer::class);
-        $indexer->load(Product::INDEXER_ID);
-        $indexer->reindexAll();
-        $indexer->load(Category::INDEXER_ID);
-        $indexer->reindexAll();
-        $indexer->load(IndexerSearch::INDEXER_ID);
-        $indexer->reindexAll();
-    }
-}
+}