docs: minor fix for dashboard http api documentation

Reported in #11176

docs/sources/http_api/dashboard.md

@@ -43,11 +43,7 @@ Authorization: Bearer eyJrIjoiT0tTcG1pUlY2RnVKZTFVaDFsNFZXdE9ZWmNrMkZYbk
 - **dashboard** – The complete dashboard model, id = null to create a new dashboard.
 - **dashboard.id** – id = null to create a new dashboard.
 - **dashboard.uid** – Optional [unique identifier](/http_api/dashboard/#identifier-id-vs-unique-identifier-uid) when creating a dashboard. uid = null will generate a new uid.
-- **folderId** – The id of the folder to save the dashboard in.
-- **overwrite** – Set to true if you want to overwrite existing dashboard with newer version, same dashboard title in folder or same dashboard uid.
-- **message** - Set a commit message for the version history.
-
-**Example Response**:
+- **folderId** – The id of the folder to save the dashboard in.
 - **overwrite** – Set to true if you want to overwrite existing dashboard with newer version, same dashboard title in folder or same dashboard uid.
 - **message** - Set a commit message for the version history.
 
@@ -140,11 +136,7 @@ Content-Type: application/json
 
 ```
 
-- **403** – Access denied
-- **404** – Not found
-
-## Gets the home dashboard
-
+Status Codes:
 
 - **200** – Deleted
 - **401** – Unauthorized
@@ -219,14 +211,9 @@ Content-Type: application/json
 Content-Type: application/json
 Authorization: Bearer eyJrIjoiT0tTcG1pUlY2RnVKZTFVaDFsNFZXdE9ZWmNrMkZYbk
 ```
-
-Status Codes:
-
-- **200** – Found
-- **401** – Unauthorized
-- **403** – Access denied
 
-
+**Example Response**:
+
 ```http
 HTTP/1.1 200
 Content-Type: application/json
@@ -322,11 +309,7 @@ Content-Type: application/json
     "title": "Production Overview",
     "tags": [ "templated" ],
     "timezone": "browser",
-    "rows": [
-      {
-      }
-    ],
-    "schemaVersion": 6,
+    "schemaVersion": 16,
     "version": 0
   },
   "meta": {