woocommerce-paypal-payments/modules/ppcp-paylater-configurator/extensions.php

<?php
/**
 * The Pay Later configurator module extensions.
 *
 * @package WooCommerce\PayPalCommerce\PayLaterConfigurator
 */

declare(strict_types=1);

namespace WooCommerce\PayPalCommerce\PayLaterConfigurator;

use WooCommerce\PayPalCommerce\Vendor\Psr\Container\ContainerInterface;

return array(
	'wcgateway.settings.fields' => function ( ContainerInterface $container, array $fields ): array {
		$old_fields = array(
			'pay_later_messaging_locations',
			'pay_later_enable_styling_per_messaging_location',
			'pay_later_general_message_layout',
			'pay_later_general_message_logo',
			'pay_later_general_message_position',
			'pay_later_general_message_color',
			'pay_later_general_message_flex_color',
			'pay_later_general_message_flex_ratio',
			'pay_later_general_message_preview',
			'pay_later_product_messaging_heading',
			'pay_later_product_message_layout',
			'pay_later_product_message_logo',
			'pay_later_product_message_position',
			'pay_later_product_message_color',
			'pay_later_product_message_flex_color',
			'pay_later_product_message_flex_ratio',
			'pay_later_product_message_preview',
			'pay_later_cart_messaging_heading',
			'pay_later_cart_message_layout',
			'pay_later_cart_message_logo',
			'pay_later_cart_message_position',
			'pay_later_cart_message_color',
			'pay_later_cart_message_flex_color',
			'pay_later_cart_message_flex_ratio',
			'pay_later_cart_message_preview',
			'pay_later_checkout_messaging_heading',
			'pay_later_checkout_message_layout',
			'pay_later_checkout_message_logo',
			'pay_later_checkout_message_position',
			'pay_later_checkout_message_color',
			'pay_later_checkout_message_flex_color',
			'pay_later_checkout_message_flex_ratio',
			'pay_later_checkout_message_preview',
			'pay_later_shop_messaging_heading',
			'pay_later_shop_message_layout',
			'pay_later_shop_message_logo',
			'pay_later_shop_message_position',
			'pay_later_shop_message_color',
			'pay_later_shop_message_flex_color',
			'pay_later_shop_message_flex_ratio',
			'pay_later_shop_message_preview',
			'pay_later_home_messaging_heading',
			'pay_later_home_message_layout',
			'pay_later_home_message_logo',
			'pay_later_home_message_position',
			'pay_later_home_message_color',
			'pay_later_home_message_flex_color',
			'pay_later_home_message_flex_ratio',
			'pay_later_home_message_preview',
			'pay_later_messaging_enabled',
		);
		foreach ( $old_fields as $old_field ) {
			unset( $fields[ $old_field ] );
		}

		return $fields;
	},
);