Apply suggestions from code review

Author: themr0c

modules/authorization/proc-defining-authorizations-in-external-files-by-using-the-operator.adoc

@@ -75,7 +75,7 @@ $ oc create configmap rbac-policies \
      --from-file=rbac-conditional-policies.yaml
 ----
 
-. Update your {product-short} `Backstage` custom resource to mount in the {product-short} filesystem your files from the config maps:
+. Update your {product-short} `Backstage` custom resource to mount in the {product-short} filesystem your files from the `rbac-policies` config map:
 +
 .`Backstage` Custom resource fragment
 [source,yaml]
@@ -87,7 +87,6 @@ spec:
     extraFiles:
       configMaps:
         - name: rbac-policies
-        - name: rbac-conditional-policies
 ----
 
 . Update your {product-short} `app-config.yaml` configuration file to use the external files in {product-short}: