revert create and manage XDR roles needed

Author: austinmccollum

unified-secops-platform/cases-overview.md

@@ -54,7 +54,7 @@ Use Defender XDR unified RBAC or Microsoft Sentinel roles to grant access to cas
 | Cases feature | Microsoft Defender XDR Unified RBAC | Microsoft Sentinel role |
 |---|---|---|
 | View only</br>- case queue</br>- case details</br>- tasks</br>- comments</br>- case audits | Security operations > Security data basics (read)| Microsoft Sentinel Reader |
-| Create and Manage</br>- cases and case tasks</br>- assign</br>- update status</br>- link and unlink incidents | Security operations > Alerts (manage)</br>**or**</br>Security operations > Response (manage) | Microsoft Sentinel Responder |
+| Create and Manage</br>- cases and case tasks</br>- assign</br>- update status</br>- link and unlink incidents | Security operations > Alerts (manage) | Microsoft Sentinel Responder |
 | Customize case status options | Authorization and setting > Core Security settings (manage)| Microsoft Sentinel Contributor |
 
 For more information, see [Microsoft Defender XDR Unified role-based access control (RBAC)](/defender-xdr/manage-rbac).