Remove Reporting Mode & History Shards docs

docs/references/http-websocket-apis/public-api-methods/server-info-methods/manifest.md

@@ -1,6 +1,4 @@
 ---
-html: manifest.html
-parent: server-info-methods.html
 seo:
     description: Look up the public information about a known validator.
 labels:
@@ -150,6 +148,5 @@ If provided, the `details` object contains the following fields:
 
 - Any of the [universal error types][].
 - `invalidParams` - The `public_key` field was missing or specified incorrectly.
-- `reportingUnsupported` - ([Reporting Mode][] servers only) This method is not available in Reporting Mode.
 
 {% raw-partial file="/docs/_snippets/common-links.md" /%}