Remove time select in WooCommerce Local Pickup Time Select when basket contains only virtual products or shipping is selected

Place in theme functions.php or similar

function jt_cart_has_physical_items() {
	$has_physical = false;

	foreach ( WC()->cart->get_cart() as $cart_item ) {
		if ( !$cart_item['data']->is_virtual( ) ) {
			$has_physical = true;
			break; // no point continuing once we've found one physical item
		}
	}
	return $has_physical;
}

function jt_customer_picked_shipping() {
	$has_shipping = false;
	$chosen_methods = WC()->session->get( 'chosen_shipping_methods' );
	if ( stripos( $chosen_methods[0], 'shipping' ) ) {
		$has_shipping = true;
	}
	return $has_shipping;
}

add_action( 'woocommerce_before_checkout_form', function() {
	if ( jt_cart_has_physical_items() === false || jt_customer_picked_shipping() === true ) {
		// find and unhook the time_select dropdown
		$time_select_hooked_location = apply_filters( 'local_pickup_time_select_location', 'woocommerce_after_order_notes' );
		remove_action( $time_select_hooked_location, [ Local_Pickup_Time::get_instance(), 'time_select' ] );
	}
} );

add_action( 'woocommerce_checkout_process', function() {
	if ( jt_cart_has_physical_items() === false || jt_customer_picked_shipping() === true  ) {
		// remove the processing of the field
		remove_action( 'woocommerce_checkout_process', [ Local_Pickup_Time::get_instance(), 'field_process' ] );
		remove_action( 'woocommerce_checkout_update_order_meta', [ Local_Pickup_Time::get_instance(), 'update_order_meta' ] );

	}
}, 1 );