Radius module no longer needs PHP radius extension

composer.json

@@ -88,7 +88,6 @@
         "predis/predis": "Needed if a Redis server is used to store session information",
         "ext-curl": "Needed in order to check for updates automatically",
         "ext-ldap": "Needed if an LDAP backend is used",
-        "ext-radius": "Needed if a Radius backend is used",
         "ext-memcache": "Needed if a Memcache server is used to store session information",
         "ext-pdo": "Needed if a database backend is used, either for authentication or to store session information",
         "ext-mysql": "Needed if a MySQL backend is used, either for authentication or to store session information",

modules/admin/lib/Controller/Config.php

@@ -299,13 +299,6 @@ class Config
                     'required' => Translate::noop('LDAP extension'),
                 ]
             ],
-            'radius_auth_open' => [
-                'required' => Module::isModuleEnabled('radius') ? 'required' : 'optional',
-                'descr' => [
-                    'optional' => Translate::noop('Radius extension (required if a radius backend is used)'),
-                    'required' => Translate::noop('Radius extension'),
-                ]
-            ],
         ];
 
         foreach ($functions as $function => $description) {