update generated doc

Author: pgayvallet

docs/development/core/public/kibana-plugin-core-public.scopedhistory.block.md

@@ -4,15 +4,10 @@
 
 ## ScopedHistory.block property
 
-Not supported. Use [AppMountParameters.onAppLeave](./kibana-plugin-core-public.appmountparameters.onappleave.md)<!-- -->.
+Add a block prompt requesting user confirmation when navigating away from the current page.
 
 <b>Signature:</b>
 
 ```typescript
 block: (prompt?: string | boolean | History.TransitionPromptHook<HistoryLocationState> | undefined) => UnregisterCallback;
 ```
-
-## Remarks
-
-We prefer that applications use the `onAppLeave` API because it supports a more graceful experience that prefers a modal when possible, falling back to a confirm dialog box in the beforeunload case.
-

docs/development/core/public/kibana-plugin-core-public.scopedhistory.md

@@ -27,7 +27,7 @@ export declare class ScopedHistory<HistoryLocationState = unknown> implements Hi
 |  Property | Modifiers | Type | Description |
 |  --- | --- | --- | --- |
 |  [action](./kibana-plugin-core-public.scopedhistory.action.md) |  | <code>Action</code> | The last action dispatched on the history stack. |
-|  [block](./kibana-plugin-core-public.scopedhistory.block.md) |  | <code>(prompt?: string &#124; boolean &#124; History.TransitionPromptHook&lt;HistoryLocationState&gt; &#124; undefined) =&gt; UnregisterCallback</code> | Not supported. Use [AppMountParameters.onAppLeave](./kibana-plugin-core-public.appmountparameters.onappleave.md)<!-- -->. |
+|  [block](./kibana-plugin-core-public.scopedhistory.block.md) |  | <code>(prompt?: string &#124; boolean &#124; History.TransitionPromptHook&lt;HistoryLocationState&gt; &#124; undefined) =&gt; UnregisterCallback</code> | Add a block prompt requesting user confirmation when navigating away from the current page. |
 |  [createHref](./kibana-plugin-core-public.scopedhistory.createhref.md) |  | <code>(location: LocationDescriptorObject&lt;HistoryLocationState&gt;, { prependBasePath }?: {</code><br/><code>        prependBasePath?: boolean &#124; undefined;</code><br/><code>    }) =&gt; Href</code> | Creates an href (string) to the location. If <code>prependBasePath</code> is true (default), it will prepend the location's path with the scoped history basePath. |
 |  [createSubHistory](./kibana-plugin-core-public.scopedhistory.createsubhistory.md) |  | <code>&lt;SubHistoryLocationState = unknown&gt;(basePath: string) =&gt; ScopedHistory&lt;SubHistoryLocationState&gt;</code> | Creates a <code>ScopedHistory</code> for a subpath of this <code>ScopedHistory</code>. Useful for applications that may have sub-apps that do not need access to the containing application's history. |
 |  [go](./kibana-plugin-core-public.scopedhistory.go.md) |  | <code>(n: number) =&gt; void</code> | Send the user forward or backwards in the history stack. |