fix: welcome page not shown in Community version

.. by removing `download_all_agents` from list of permissions needed to show welcome page

CMK-28293

Change-Id: I7b92851387eabe0de075de95d36f2c3c830464e6

Author: Frans Fürst

cmk/gui/welcome/pages.py

@@ -75,7 +75,6 @@ def make_url_or_callback_from_registry(identifier: str, permitted: bool = True)
     "wato.service_discovery_to_ignored",
     "wato.service_discovery_to_removed",
     "wato.download_agents",
-    "wato.download_all_agents",
     "wato.activate",
     "wato.timeperiods",
     "wato.groups",