Deleting an user will only delete its first 20 servers

[asere]

If an user have more than 20 servers, it could be an issue if we try to delete this user.
Here is the part of the code affected by deletion of an user

learn-ocaml-essok/BackEnd/src/controllers/users.ts

Lines 322 to 331 in 9ac2cbb

	user.findAnUser(authors).then(function (results : any) {
	const author : any = results[0];
	console.log('author = ' + author);
	user.findAllServersOfAnUser(req.query, author, req.payload).then(function (results : any) {
	var servers = results[0];
	if (servers.length == 0) {
	author.remove();
	return res.sendStatus(api_code.ok);
	}