OSDOCS-15935 - Removing unused ROSA modules

Author: otikhomi

adding_service_cluster/rosa-available-services.adoc

@@ -23,16 +23,6 @@ include::modules/osd-rhoam.adoc[leveloffset=+1]
 .Additional resources
 * link:https://access.redhat.com/documentation/en-us/red_hat_openshift_api_management[Red{nbsp}Hat OpenShift API Management] documentation
 
-////
-include::modules/rosa-rhoda.adoc[leveloffset=+1]
-
-[role="_additional-resources"]
-.Additional resources
-
-* link:https://www.redhat.com/en/technologies/cloud-computing/openshift/openshift-database-access[Red{nbsp}Hat OpenShift Database Access] product page
-////
-// This module and additional resource are no longer included in the document due to OSDOCS-5817.
-
 include::modules/rosa-rhods.adoc[leveloffset=+1]
 
 [role="_additional-resources"]