Default_4x4 in frames_and_literature_positions_to_atom14_pos

[sharish24]

https://github.com/aqlaboratory/openfold/blob/109442b14e6184fbee45e2696f21b052eb3fb1e5/openfold/utils/feats.py#L246-L247

Is this line necessary in this function? I don't see it used anywhere and I'm receiving shape as [*, N, 8, 4, 4] when I run the training script.