bheadrick on "[Plugin: WooCommerce - excelling eCommerce] Remove Sidebar from product Page"

use template files

also, it's actually better to use this to remove the woo sidebar:

remove_action('woocommerce_sidebar', 'woocommerce_get_sidebar',10);

of course, you'd also need to fix your css as samuel mentioned like this:

.woocommerce #content{width:100%}