Magento 2 mview remove subscription if not being used

remove-m2-mview.php

<?php

use Magento\Framework\App\Bootstrap;

require __DIR__ . '/../app/bootstrap.php';

$params = $_SERVER;

$bootstrap = Bootstrap::create(BP, $params);
$objectManager = $bootstrap->getObjectManager();
$url = \Magento\Framework\App\ObjectManager::getInstance();
$storeManager = $url->get('\Magento\Store\Model\StoreManagerInterface');

try {
    $state = $objectManager->get('\Magento\Framework\App\State');
    $indexerFactory = $objectManager->get('\Magento\Framework\Indexer\IndexerInterfaceFactory');
    $subscriptionFactory = $objectManager->get('\Magento\Framework\Mview\View\SubscriptionFactory');
    $collection = $objectManager->get('\Magento\Framework\Mview\View\CollectionInterface');
    $viewCollection = $collection->getItems();
    $state->setAreaCode('frontend');

    /** @var \Magento\Framework\Indexer\IndexerInterface $indexer */
    $indexer = $indexerFactory->create()->load('klevu_product_sync');
    $subscriptionInstance = $subscriptionFactory->create(
        [
            'view' => $indexer->getView(),
            'tableName' => 'catalog_product_index_price',
            'columnName' => 'entity_id',
        ]
    );
    $subscriptionInstance->remove();
    echo 'catalog_product_index_price Mview removed;' . PHP_EOL;
    $subscriptionInstance = $subscriptionFactory->create(
        [
            'view' => $indexer->getView(),
            'tableName' => 'cataloginventory_stock_status',
            'columnName' => 'product_id',
        ]

    );
    $subscriptionInstance->remove();
    echo 'cataloginventory_stock_status mview removed;' . PHP_EOL;
    foreach ($viewCollection as $key => $view) {
        echo $view->getId() . '<=>' . print_r($view->getState()->getStatus(), true) . PHP_EOL;
    }
} catch (\Magento\Framework\Exception $e) {
    echo $e->getMessage();
}