Remove Dead JSON Code
I think this function is somewhat misleading as it implies that any ndarray type goes through it, but realistically the flag that sends you through to this function is only set for datetime arrays
> but realistically the flag that sends you through to this function is only set for datetime arrays

Nice.  Would a comment to this effect be worthwhile? My goal is to do away with that function entirely; just going to need a few more passes I think thxs