Cleanup

nifty5/operators/model_gradient_operator.py

@@ -75,9 +75,5 @@ class ModelGradientOperator(LinearOperator):
             for dd in self.domain:
                 if dd in grad_keys:
                     res[dd] = self._gradients[dd].adjoint_times(x)
-                # else:
-                    # res[dd] = full(self.domain[dd], 0.)
             res = MultiField(res)
-            # if not res.domain == self.domain:
-            #     raise TypeError
         return res