disable-woocommerce-3-zoom.php

<?php
/**
 * When you hover a product image when on the single product page, you can zoom on the products images; I love this feature, however
 * Some people would like to remove it.
 * To do so, simply paste this snippet in your functions.php file
 */
add_action( 'after_setup_theme', 'theme_name_setup' );

function theme_name_setup() {
	remove_theme_support( 'wc-product-gallery-zoom' );
}