chore: Simplify label for purging WooCommerce option

Author: im3dabasia

admin/partials/nginx-helper-general-options.php

@@ -1023,7 +1023,7 @@
 <td>
 <input type="checkbox" value="1" id="purge_woo_products" name="purge_woo_products" <?php checked( $nginx_helper_settings['purge_woo_products'] ?? 0, 1 ); ?> />
 <label for="purge_woo_products">
-<?php esc_html_e( 'Purge product cache on stock change or purchase or REST API update', 'nginx-helper' ); ?>
+<?php esc_html_e( 'Purge product cache on product updates', 'nginx-helper' ); ?>
 </label>
 </td>
 </tr>