BZ2056430: Remove part of docs in STS AWS upgrade

Author: chinmayi-chandrasekar

authentication/managing_cloud_provider_credentials/cco-mode-sts.adoc

@@ -111,7 +111,7 @@ include::modules/cco-ccoctl-upgrading.adoc[leveloffset=+2]
 include::modules/manually-maintained-credentials-upgrade.adoc[leveloffset=+2]
 
 //Task part 3: Run the OCP installer
-include::modules/sts-mode-installing-manual-run-installer.adoc[leveloffset=+2]
+//include::modules/sts-mode-installing-manual-run-installer.adoc[leveloffset=+2]
 
 //Task part 4: Verify that the cluster is using short-lived credentials
-include::modules/sts-mode-installing-verifying.adoc[leveloffset=+2]
+//include::modules/sts-mode-installing-verifying.adoc[leveloffset=+2]