Remove Reservoir DDMS link from energy data services

Removed link for enabling Reservoir DDMS from the guide. The service is now GA, so this page is not relevant anymore. The page is not deleted as there are links from the release notes that need to be retained.

Author: priyabratpadhi

articles/energy-data-services/index.yml

@@ -92,8 +92,6 @@ landingContent:
             url: how-to-register-external-data-services.md
           - text: How to enable legal tags restricted COO (Country of Origin)
             url: how-to-enable-legal-tags-restricted-country-of-origin.md
-          - text: How to enable Reservoir DDMS
-            url: how-to-enable-reservoir-ddms.md
   - title: Administration
     linkLists:
       - linkListType: how-to-guide