Remove `pesummary.{core/gw}.inputs.PostProcessing` class
The purpose of this MR is to remove the pesummary.{core/gw}.inputs.PostProcessing
class since duplicates existing code in the pesummary.{core/gw}.inputs.Input
class.
The purpose of this MR is to remove the pesummary.{core/gw}.inputs.PostProcessing
class since duplicates existing code in the pesummary.{core/gw}.inputs.Input
class.