Remove references of Service Catalog (#34387)

Co-authored-by: Tim Bannister <[email protected]>

Author: Rishit-dagli

content/en/docs/concepts/extend-kubernetes/service-catalog.md

@@ -16,7 +16,4 @@ tags:
 
 Some examples of Managed Services are AWS EC2, Azure SQL Database, and
 GCP Pub/Sub, but they can be any software offering that can be used by an application.
-[Service Catalog](/docs/concepts/extend-kubernetes/service-catalog/) provides a way to
-list, provision, and bind with Managed Services offered by
-{{< glossary_tooltip text="Service Brokers" term_id="service-broker" >}}.
 

content/en/docs/reference/glossary/managed-service.md

@@ -4,15 +4,15 @@ id: service-catalog
 date: 2018-04-12
 full_link: 
 short_description: >
-  An extension API that enables applications running in Kubernetes clusters to easily use external managed software offerings, such as a datastore service offered by a cloud provider.
+  A former extension API that enabled applications running in Kubernetes clusters to easily use external managed software offerings, such as a datastore service offered by a cloud provider.
 
 aka: 
 tags:
 - extension
 ---
- An extension API that enables applications running in Kubernetes clusters to easily use external managed software offerings, such as a datastore service offered by a cloud provider.
+ A former extension API that enabled applications running in Kubernetes clusters to easily use external managed software offerings, such as a datastore service offered by a cloud provider.
 
 <!--more--> 
 
-It provides a way to list, provision, and bind with external {{< glossary_tooltip text="Managed Services" term_id="managed-service" >}} from {{< glossary_tooltip text="Service Brokers" term_id="service-broker" >}} without needing detailed knowledge about how those services are created or managed.
+It provided a way to list, provision, and bind with external {{< glossary_tooltip text="Managed Services" term_id="managed-service" >}} without needing detailed knowledge about how those services would be created or managed.