remove TODO

Author: bonneted

deepxde/model.py

@@ -437,7 +437,6 @@ def outputs_fn(inputs):
             # We use aux so that self.data.losses is a pure function.
             aux = [outputs_fn, ext_params] if ext_params else [outputs_fn]
             losses = losses_fn(targets, outputs_, loss_fn, inputs, self, aux=aux)
-            # TODO: Add regularization loss
             if not isinstance(losses, list):
                 losses = [losses]
             losses = jax.numpy.asarray(losses)