Update docs

docs/20_Usage.md

@@ -10,24 +10,18 @@ require_once '[APPROOT]/classes/ldap.class.php';
 
 As an example I create a hash named $aConfig and save it as "inc_config.php".
 
+
 ```php
 return [
     ...
-
     'ldap-master' => [
         'server'     => 'ldaps://ldap.example.com',
         'DnLdapUser' => 'cn=Lookup,ou=Service,dc=some,dc=example.com',
         'PwLdapUser' => 'PasswordOfLookupUser',
 
-           // node where to find users that are allowed to login
-           'DnUserNode' => 'ou=People,dc=some,dc=example.com',
-
-           // node where to find my app
-           'DnAppNode'  => 'cn=MyApp,dc=some,dc=example.com',
-           'debugLevel' => 0,
+        // See Configuration page for all values.
     ],
     ...
-
 ];
 ```