select2 has updated to 3.4.x, support delete items when using ajax, but todc-select2 still has this bug

[Geniushjs]

when I use ajax to get items dynamic, I found it was not able to delete item. This is a bug in select2, and the original select2 project has already fixed.
see issue:

https://github.com/ivaynberg/select2/issues/839

[nt1m]

@todc Please take a look at this issue or close it if it has already been fixed.

[todc]

If you'd like to submit a pull request, I'd be happy to merge it and close the issue. I don't know when I'll get a chance to look at this.