Update roles.md

Author: sneha-shashidhar

src/segment-app/iam/roles.md

@@ -96,8 +96,4 @@ To **create or edit** transformations you must have either `Source Admin` for al
 
 ## Roles for Privacy Portal
 
-To **view, create or edit** PII related configurations in Privacy Portal, you need to have the `Workspace Owner` role.
-
-## Roles for Data Retention settings
-
-To **view or edit** Data Retention period in End-user privacy settings, you need to have the `Workspace Owner` role.
+The Privacy Portal is only accessible by `Workspace owners`. To **view, create or edit** any section of Privacy Portal, you will need to have the `Workspace Owner` role.