Mods: modernize C++: redundant void arg

src/Mod/Fem/Gui/ViewProviderFemPostPipelinePyImp.cpp

@@ -31,7 +31,7 @@
 using namespace FemGui;
 
 // returns a string which represents the object e.g. when printed in python
-std::string ViewProviderFemPostPipelinePy::representation(void) const
+std::string ViewProviderFemPostPipelinePy::representation() const
 {
     return std::string("<ViewProviderFemPostPipeline object>");
 }