if ( ! function_exists( 'techmarket_single_product_cat_and_sku' ) ) {
    function techmarket_single_product_cat_and_sku() { ?>
        <div class="cat-and-sku">
            <?php techmarket_single_product_categories(); ?>
            <?php techmarket_single_product_sku(); ?>
            <?php woocommerce_template_single_rating(); ?>
        </div><?php
    }
}

if ( ! function_exists( 'techmarket_single_product_remove_rating' ) ) {
    function techmarket_single_product_remove_rating( $product_id = null ) {
        remove_action( 'woocommerce_single_product_summary', 'woocommerce_template_single_rating', 10 );
    }
}

add_action( 'init', 'techmarket_single_product_remove_rating' );