Resample: minor simplification; improved comment

Resample/Processed/ReLayout.cpp

@@ -25,7 +25,7 @@ namespace {
 //  class implementation
 //  ************************************************************************************************
 
-reLayout::reLayout(bool /*polarized*/, double surface_density,
+reLayout::reLayout(double surface_density,
                    std::vector<std::unique_ptr<const CoherentFFSum>>&& formfactors,
                    const IInterference* iff, std::map<size_t, Admixtures>&& slice2admixtures)
     : m_surface_density(surface_density)