Remove wp-now doc and update main readme. (#55136)

docs/getting-started/devenv/README.md

@@ -41,11 +41,10 @@ To be able to use the Node.js tools and [packages provided by WordPress](https:/
 
 A local WordPress environment (site) provides a controlled, efficient, and secure space for development, allowing you to build and test your code before deploying it to a production site. The [same requirements](https://en-gb.wordpress.org/about/requirements/) for WordPress apply to local sites.
 
-Many tools are available for setting up a local WordPress environment on your computer. The Block Editor Handbook covers `wp-env` and `wp-now`, both of which are open-source and maintained by the WordPress project itself. 
+In the boarder WordPress community, there are many available tools for setting up a local WordPress environment on your computer. The Block Editor Handbook covers `wp-env`, which is open-source and maintained by the WordPress project itself. It's also the recommended tool for Gutenberg development. 
 
-Refer to the individual guides below for setup instructions.
+Refer to the [Get started with `wp-env`](/docs/getting-started/devenv/get-started-with-wp-env.md) guide for setup instructions.
 
--   [Get started with `wp-env`](/docs/getting-started/devenv/get-started-with-wp-env.md)
--   [Get started with `wp-now`](/docs/getting-started/devenv/get-started-with-wp-now.md)
-
-Of the two, `wp-env` is the more solid and complete solution. It's also the recommended tool for Gutenberg development. On the other hand, `wp-now` offers a simplified setup but is more limited than `wp-env`. Both are valid options, so the choice is yours.
+<div class="callout callout-info">
+    Throughout the Handbook, you may also see references to <code><a href="https://github.com/WordPress/playground-tools/tree/trunk/packages/wp-now">wp-now</a></code>. This is a lightweight tool powered by <a hre="https://developer.wordpress.org/playground/">WordPress Playground</a> that streamlines setting up a simple local WordPress environment. While still experimental, this tool is great for quickly testing WordPress releases, plugins, and themes. 
+</div>

docs/manifest.json

@@ -29,12 +29,6 @@
 		"markdown_source": "../docs/getting-started/devenv/get-started-with-wp-env.md",
 		"parent": "devenv"
 	},
-	{
-		"title": "Get started with wp-now",
-		"slug": "get-started-with-wp-now",
-		"markdown_source": "../docs/getting-started/devenv/get-started-with-wp-now.md",
-		"parent": "devenv"
-	},
 	{
 		"title": "Create a Block Tutorial",
 		"slug": "create-block",

docs/toc.json

@@ -11,9 +11,6 @@
 					},
 					{
 						"docs/getting-started/devenv/get-started-with-wp-env.md": []
-					},
-					{
-						"docs/getting-started/devenv/get-started-with-wp-now.md": []
 					}
 				]
 			},