OSDOCS-2129: Add upstream gateway API documentation - revert

Author: bmcelvee

_topic_maps/_topic_map.yml

@@ -456,7 +456,7 @@ Dir: support
 Distros: openshift-enterprise,openshift-online,openshift-origin
 Topics:
 - Name: Support overview
-  File: index  
+  File: index
 - Name: Getting support
   File: getting-support
   Distros: openshift-enterprise
@@ -899,9 +899,6 @@ Topics:
 - Name: Understanding the Ingress Operator
   File: ingress-operator
   Distros: openshift-enterprise,openshift-origin
-- Name: About the Contour Operator
-  File: about-contour-operator
-  Distros: openshift-origin
 - Name: Verifying connectivity to an endpoint
   File: verifying-connectivity-endpoint
 - Name: Configuring the node port service range