Remove references to long-deprecated `session.handler` config-setting

config-templates/config.php

@@ -1054,8 +1054,6 @@ $config = array(
      * - 'redis': Key-value datastore, based on redis.
      *
      * The default datastore is 'phpsession'.
-     *
-     * (This option replaces the old 'session.handler'-option.)
      */
     'store.type'                    => 'phpsession',
 

docs/simplesamlphp-artifact-idp.md

@@ -26,7 +26,7 @@ The default configuration on Debian is for the memcache server to be accessible
 
 
 Once the memcache server is configured, you can configure simplesamlphp to use it to store sessions.
-You can do this by setting the `session.handler` option in `config.php` to `memcache`.
+You can do this by setting the `store.type` option in `config.php` to `memcache`.
 If you are running memcache on a different server than the IdP, you must also change the `memcache_store.servers` option in `config.php`.
 
 

lib/SimpleSAML/SessionHandler.php

@@ -123,7 +123,7 @@ abstract class SessionHandler
      * Initialize the session handler.
      *
      * This function creates an instance of the session handler which is
-     * selected in the 'session.handler' configuration directive. If no
+     * selected in the 'store.type' configuration directive. If no
      * session handler is selected, then we will fall back to the default
      * PHP session handler.
      */

lib/SimpleSAML/Store.php

@@ -36,9 +36,6 @@ abstract class Store
 
         $config = Configuration::getInstance();
         $storeType = $config->getString('store.type', null);
-        if ($storeType === null) {
-            $storeType = $config->getString('session.handler', 'phpsession');
-        }
 
         switch ($storeType) {
             case 'phpsession':