[multi-sources-removal] Drop no more used federated ('true') multi-sources related code
Related to #2919300 (almost done!)
/*
* cubicweb js mock for unit tests
* This module defines variables and functions used in quite a few places
* in cw js framework that can't be used or guessed without a real CW server
*/
var pageid = 'my-page-id';
function _(message) {
return message;
}