correct role definition (#3839)

Profiles and Engage Read-only only has read-only access to profiles and engage settings. Aligning the docs to the what the UI shows when assigning permissions to a user

Author: muhammadatifjav

src/segment-app/iam/roles.md

@@ -43,7 +43,7 @@ The following roles are only available to Segment Business Tier accounts.
 
 
 #### Profiles and Engage Read-only
-* Read-only access to Profiles settings and if purchased, edit access to Engage audiences, traits, journeys, and content. Cannot download PII or edit settings in Profiles or Engage.
+* Read-only access to Profiles settings and if purchased, Engage audiences, traits, journeys, and content. Cannot download PII or edit settings in Profiles or Engage.
 * **Scope:** Grants access to either: all current and future Spaces, or a specific list of Spaces, or Spaces with a specific Label (BT only).
 
 #### Profiles Read-only, Engage User