Remove unused line

Author: ronak2ram

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

@@ -691,11 +691,6 @@ public function testProductFilterNfinset()
 QUERY;
 
         $response = $this->graphQlQuery($query);
-
-        /**
-         * @var ProductRepositoryInterface $productRepository
-         */
-        $productRepository = ObjectManager::getInstance()->get(ProductRepositoryInterface::class);
         $this->assertNotEquals($response['products']['items'][0]['sku'], $productSku);
     }