Remove outdated section in pounders docstrings.

docs/source/algorithms.md

@@ -907,12 +907,6 @@ We implement a few algorithms from scratch. They are currently considered experi
     and therefore may require fewer iterations to arrive at a local optimum than
     Nelder-Mead.
 
-    The criterion function :func:`func` should return a dictionary with the following
-    fields:
-
-    1. ``"value"``: The sum of squared (potentially weighted) errors.
-    2. ``"root_contributions"``: An array containing the root (weighted) contributions.
-
     Scaling the problem is necessary such that bounds correspond to the unit hypercube
     :math:`[0, 1]^n`. For unconstrained problems, scale each parameter such that unit
     changes in parameters result in similar order-of-magnitude changes in the criterion
@@ -1015,12 +1009,6 @@ need to have [petsc4py](https://pypi.org/project/petsc4py/) installed.
     and therefore may require fewer iterations to arrive at a local optimum than
     Nelder-Mead.
 
-    The criterion function :func:`func` should return a dictionary with the following
-    fields:
-
-    1. ``"value"``: The sum of squared (potentially weighted) errors.
-    2. ``"root_contributions"``: An array containing the root (weighted) contributions.
-
     Scaling the problem is necessary such that bounds correspond to the unit hypercube
     :math:`[0, 1]^n`. For unconstrained problems, scale each parameter such that unit
     changes in parameters result in similar order-of-magnitude changes in the criterion