In the Mappings section, there are two selectable sets of attribute mappings. Select Provision Azure Active Directory Groups to disable mapping of groups. Switch Enabled to No and select Save.

Select Provision Azure Active Directory Users to modify the attributes that are synchronized from Azure AD to IDEE.

In Attribute Mapping, delete all mappings except for these 2:
userPrincipalName
Switch([IsSoftDeleted], , "False", "True", "True", "False").