Fix sidebars, clean up

Author: crandmck

docs/js-sdk/js-landing.md

@@ -3,4 +3,8 @@ id: js-landing
 title: JavaScript library
 ---
 
-A new JavaScript library has been released.  You can continue to [install and use the old library](getting-started/quick-start.mdx) the same was as before (for example, with `npm install c2pa`) but you're encouraged to move to the new library.  The old library will continue to be available [along with its documentation](getting-started/overview.mdx).
+**Sept 2025**: A new JavaScript library has been released.  You can continue to use the old library, but you're encouraged to move to the new library as soon as possible.
+
+:::note
+You can continue to [install and use the old library](getting-started/quick-start.mdx) the same as before, but it will no longer be updated or supported. Its documentation is still available in [Legacy JavaScript library documentation](js-sdk/getting-started/overview.mdx). 
+:::

docs/js-sdk/temp-new-sdk.md

@@ -7,6 +7,3 @@ There is a new [JavaScript web library](https://github.com/contentauth/c2pa-js/t
 
 We are working on adding documentation.  Please bear with us!
 
-:::note
-The old JavaScript client library is deprecated, but its documentation is still available in the [Legacy JavaScript library documentation](old-js-overview).  You can continue to use it, but it will no longer be updated or supported.
-:::

sidebars.js

@@ -123,7 +123,7 @@ const sidebars = {
     {
       type: 'category',
       label: 'JavaScript library',
-      link: { type: 'doc', id: 'js-sdk/getting-started/old-js-overview' },
+      link: { type: 'doc', id: 'js-sdk/js-landing' },
       collapsed: true,
       items: jsSdkSidebar.docs,
     },