Merge pull request #67800 from mletalie/OSDOCS-8407

[OSDOCS-8407]:Wrong placement of STS related documentation

Author: jab-rh

rosa_install_access_delete_clusters/rosa_getting_started_iam/rosa-getting-started-workflow.adoc

@@ -6,9 +6,9 @@ include::_attributes/attributes-openshift-dedicated.adoc[]
 
 toc::[]
 
-Before you create a {product-title} (ROSA) cluster that uses the AWS Security Token Service (STS), you must complete the AWS prerequisites, verify that the required AWS service quotas are available, and set up your environment.
+Before you create a {product-title} (ROSA) cluster, you must complete the AWS prerequisites, verify that the required AWS service quotas are available, and set up your environment.
 
-This document provides an overview of the ROSA with STS deployment workflow stages and refers to detailed resources for each stage.
+This document provides an overview of the ROSA workflow stages and refers to detailed resources for each stage.
 
 include::snippets/rosa-sts.adoc[]