Update note on legacy labels for app policies

Author: DeCohen

CloudAppSecurityDocs/app-governance-app-policies-manage.md

@@ -18,9 +18,6 @@ You might need to manage your app policies as follows to keep up-to-date with yo
 
 <a name='manage-oauth-app-policies-for-azure-ad'></a>
 
-> [!NOTE]
-> Following the change in the **Activity type** filter, policies with the previous filter will have a "LEGACY" label attached to the filter and if the policies are edited or deleted the filter can't be restored.
-
 ## Editing an app policy configuration
 
 To change the configuration of an existing app policy: