Merge branch 'remove-displayname-from-consumed-attributes' into 'master'

remove displayname from consumed attributes

See merge request hifis/overall/hifis-technical-documentation!258

docs/helmholtz-aai/attributes.md

@@ -20,8 +20,7 @@ that the identiy provider will release these attributes.
         - `eduPersonPrincipalName` (if non-reassigned)
         - `eduPersonPrincipalName` + `eduPersonTargetedID`
 
-    - person name either (or both) of the following:
-        - `displayName`
+    - person name:
         - `givenName` + `sn`
 
     - email address: