Remove non-existant reference to aws permissions.

Author: rcnnnghm

docs/setup_installation/common/arrow_flight_duckdb.md

@@ -21,9 +21,6 @@ For larger datasets, clients can still make use of the Spark/Hive backend by exp
 
 !!! note
     Supported only on AWS at the moment.
-
-!!! note 
-    Make sure that your cross account role has the load balancer permissions as described in [here](../../aws/restrictive_permissions/#load-balancers-permissions-for-external-access), otherwise you have to create and manage the load balancer yourself.
 
 The ArrowFlight Server is co-located with RonDB in the Hopsworks cluster.
 If the ArrowFlight Server is activated, RonDB and ArrowFlight Server can each use up to 50%