ZP-958 Remove LOG_ERROR_MASK from config and make it a hidden feature.

Released under the Affero GNU General Public License (AGPL) version 3.

src/config.php

@@ -119,8 +119,6 @@
     define('LOGBACKEND', 'filelog');
     define('LOGLEVEL', LOGLEVEL_WBXML);
     define('LOGAUTHFAIL', false);
-    // uncomment to NOT log certain error-levels eg. E_NOTICE or E_STRICT
-    //define('LOG_ERROR_MASK', ~(E_NOTICE|E_STRICT));
 
     // To save e.g. WBXML data only for selected users, add the usernames to the array
     // The data will be saved into a dedicated file per user in the LOGFILEDIR