[DOCS-12594] remove Fed callout for Resource Catalog docs (#32747)

* remove Fed callout

* updating sub pages

Author: git-thuerk-done

config/_default/params.yaml

@@ -307,7 +307,6 @@ unsupported_sites:
   pr_gates: [gov]
   remote_config: [gov]
   remote_configuration: [gov]
-  resource_catalog: [gov]
   roku_error_tracking: [gov]
   roku_log_collection: [gov]
   rum_roku: [gov]

content/en/infrastructure/resource_catalog/policies/_index.md

@@ -15,9 +15,6 @@ further_reading:
     text: "Proactively enforce infrastructure best practices with Datadog Resource Policies"
 ---
 
-{{< site-region region="gov" >}}<div class="alert alert-danger"> Resource Catalog is not available for the selected <a href="/getting_started/site">Datadog site</a> ({{< region-param key="dd_site_name" >}}).</div>
-{{< /site-region >}}
-
 {{< callout url="https://www.datadoghq.com/product-preview/infra-governance-policies/" btn_hidden="false" header="Join the Preview!">}}
   Resource Policies are in Preview.
 {{< /callout >}} 

content/en/infrastructure/resource_catalog/resource_changes/_index.md

@@ -6,10 +6,6 @@ further_reading:
   text: "Datadog Resource Catalog Overview"
 ---
 
-{{< site-region region="gov" >}}
-<div class="alert alert-danger">Resource Changes is not supported for your selected <a href="/getting_started/site">Datadog site</a> ({{< region-param key="dd_site_name" >}}).</div>
-{{< /site-region >}}
-
 {{< callout url="https://www.datadoghq.com/product-preview/recent-changes-tab/" >}}
 Resource Changes is in Preview. Click <strong>Request Access</strong> and complete the form to request access.
 {{< /callout >}}