In theory, something like the following should work, but I have not tested it. (To add functions.php to your theme)
function so_25700650_remove_sidebar(){
if( is_checkout() || is_cart() || is_product() ){
remove_action( 'woocommerce_sidebar', 'woocommerce_get_sidebar', 10 );
}
}
add_action('woocommerce_before_main_content', 'so_25700650_remove_sidebar' );
Woo,
<?php
do_action( 'woocommerce_sidebar' );
?>
: " ". woocommerce_get_sidebar woocommerce_sidebar hook..., , , . , Woo, .
woocommerce_before_main_content, , , , . , , , wp_head -, , , , , , , is_checkout() .., , - WooCommerce. , , WooCommerce, , WooCommerce , , .
:
, . - , .