Removing leftovers from r2422.

git-svn-id: https://simplesamlphp.googlecode.com/svn/trunk@3361 44740490-163a-0410-bde0-09ae8108e29a

lib/SimpleSAML/Session.php

@@ -98,14 +98,6 @@ class SimpleSAML_Session {
 	private $dataStore = null;
 
 
-	/**
-	 * Current NameIDs for sessions.
-	 *
-	 * Stored as a two-level associative array: $sessionNameId[<entityType>][<entityId>]
-	 */
-	private $sessionNameId;
-
-
 	/**
 	 * The list of IdP-SP associations.
 	 *