//Remove everything but add to cart form from product page shortcode
 function clean_woocommerce_page($html){

    $dom = new DOMDocument;
    $dom->loadHTML( $html );

    $xpath = new DOMXPath( $dom );

    //Remove Tabs
    $tabs = $xpath->query(".//div[@class='woocommerce-tabs'] | .//div[@class='images'] | .//h1");
    foreach ( $tabs as $div ) {
        $div->parentNode->removeChild( $div );
    }

    return $dom->saveHTML();

 }