add redirect; remove from GA release notes page

Author: taroface

src/current/_data/redirects.yml

@@ -553,6 +553,10 @@
 
 # Removed Pages
 
+- destination: releases/index.md
+  sources: ['known-limitations.md']
+  versions: ['v26.1', 'v25.4']
+
 - destination: licensing-faqs.md
   sources: ['enterprise-licensing.md']
   versions: ['v23.1', 'v23.2', 'v24.1', 'v24.2', 'v24.3']

src/current/_includes/releases/v25.4/v25.4.0.md

@@ -17,7 +17,6 @@ Before [upgrading to CockroachDB v25.4]({% link v25.4/upgrade-cockroach-version.
   - [Features that require upgrade finalization](#v25-4-0-features-that-require-upgrade-finalization)
   - [Key cluster setting changes](#v25-4-0-key-cluster-setting-changes)
   - [Deprecations] (#v25-4-0-deprecations)
-  - [Known limitations](#v25-4-0-known-limitations)
 
 {% include releases/new-release-downloads-docker-image.md release=include.release %}
 
@@ -268,8 +267,4 @@ Before you upgrade, review these changes and other information about the new maj
 
 <h4 id="v25-4-0-deprecations">Deprecations</h4>
 
-{% include releases/v25.4/deprecations.md %}
-
-<h4 id="v25-4-0-known-limitations">Known limitations</h4>
-
-For information about new and unresolved limitations in CockroachDB v25.4, with suggested workarounds where applicable, refer to [Known Limitations]({% link v25.4/known-limitations.md %}).
+{% include releases/v25.4/deprecations.md %}