chore: update documentation

packages/docs/docs/welcome.md

@@ -23,8 +23,6 @@ This documentation explains how to get started with using Standard Notes, publis
 - [Self-hosting a Syncing Server](/self-hosting/getting-started)
 - [Developing Extensions](/extensions/intro)
 - [Client Encryption API](/specification/encryption)
-- [Sync API](/specification/sync)
-- [Auth API](/specification/auth)
 
 ## Staying informed
 

packages/docs/docusaurus.config.js

@@ -43,11 +43,6 @@ module.exports = {
               label: 'Client Encryption API',
               position: 'left',
             },
-            {
-              to: '/specification/sync',
-              label: 'Server API',
-              position: 'left',
-            },
             {
               to: '/extensions/intro',
               label: 'Build an Extension',

packages/docs/sidebars.js

@@ -14,11 +14,7 @@ module.exports = {
         ],
       },
       {
-        API: [
-          'specification/encryption',
-          'specification/sync',
-          'specification/auth',
-        ],
+        API: ['specification/encryption'],
       },
       {
         Extensions: [