Revert 3656 documentation changes.

Author: budzanowski

docs/testing/releases/430.md

@@ -59,14 +59,3 @@ WC Product Add-Ons:
 1. Create a product with a product add-on.
 2. Add that product to your cart and go to the Cart and Checkout pages.
 3. Verify add-on data is displayed.
-
-### - Improve error displayed to customers when an item's stock status changes during checkout. ([3656](https://github.com/woocommerce/woocommerce-gutenberg-products-block/pull/3656))
-
-1. **In an incognito window** Add several products to your cart. Add these in differing quantities. Several of these added products need to have a quantity of 3+ in the cart.
-2. Open the checkout page and ensure all the products are showing. **Do different combinations of the following steps in a different session to the one where you've added the items, and also without refreshing the checkout page. This is necessary because we can't be logged in as admin when testing step 3 below.**
-3. Delete one or more of the products from the back end.
-4. Set one or more of the products to "Manage stock?" true, and edit the in-stock amount of one or more of the products ensuring it is below the quantity that is in the cart, but above 0.
-5. Set one or more of the products to "Sold individually"
-6. Set one or more of the products to be entirely out of stock.
-7. Try to check out and ensure you see the correct error messages for the products whose stock you've changed/reduced.
-8. Try a few different scenarios with stock levels, number of products affected, number of products in cart etc. 

readme.txt

@@ -97,7 +97,6 @@ Release and roadmap notes available on the [WooCommerce Developers Blog](https:/
 - Create get_item_responses_from_schema abstraction. ([3679](https://github.com/woocommerce/woocommerce-gutenberg-products-block/pull/3679))
 - Show itemized fee rows in the cart/checkout blocks. ([3678](https://github.com/woocommerce/woocommerce-gutenberg-products-block/pull/3678))
 - Extensibility: Show item data in Cart and Checkout blocks and update the variation data styles. ([3665](https://github.com/woocommerce/woocommerce-gutenberg-products-block/pull/3665))
-- Improve error displayed to customers when an item's stock status changes during checkout. ([3656](https://github.com/woocommerce/woocommerce-gutenberg-products-block/pull/3656))
 - Introduce SlotFill for Sidebar. ([3361](https://github.com/woocommerce/woocommerce-gutenberg-products-block/pull/3361))
 
 = 4.2.0 - 2021-01-06 =