Update OSC "moved" page

- Simplified the title and wording.
- Updated link to point to splash page so that we do not have to update the links for new versions.

Signed-off-by: Avital Pinnick <apinnick@redhat.com>

Author: apinnick

_topic_maps/_topic_map.yml

@@ -2582,11 +2582,11 @@ Topics:
 - Name: Disabling Windows container workloads
   File: disabling-windows-container-workloads
 ---
-Name: Sandboxed Containers Support for OpenShift
+Name: OpenShift sandboxed containers
 Dir: sandboxed_containers
 Distros: openshift-enterprise
 Topics:
-- Name: OpenShift sandboxed containers documentation has been moved
+- Name: Documentation moved
   File: sandboxed-containers-moved
 ---
 Name: Observability

sandboxed_containers/sandboxed-containers-moved.adoc

@@ -1,11 +1,7 @@
 :_mod-docs-content-type: ASSEMBLY
 [id="sandboxed-containers-moved"]
-= {sandboxed-containers-first} documentation has been moved
+= Documentation moved
 include::_attributes/common-attributes.adoc[]
 :context: sandboxed-containers-moved
 
-Starting from {product-title} 4.13, {sandboxed-containers-first} documentation has moved to a new location. See the following:
-
-* link:https://access.redhat.com/documentation/en-us/openshift_sandboxed_containers/{sandboxed-containers-version}/html-single/openshift_sandboxed_containers_release_notes/[{sandboxed-containers-first} release notes]
-
-* link:https://access.redhat.com/documentation/en-us/openshift_sandboxed_containers/{sandboxed-containers-version}/html-single/openshift_sandboxed_containers_user_guide/[{sandboxed-containers-first} user guide]
+The {sandboxed-containers-first} user guide and release notes have moved to a new link:https://access.redhat.com/documentation/en-us/openshift_sandboxed_containers/[location].