Part/PD: modernize C++: redundant void arg

src/Mod/PartDesign/App/FeatureAddSub.cpp

@@ -97,10 +97,10 @@ void FeatureAddSub::getAddSubShape(Part::TopoShape &addShape, Part::TopoShape &s
 namespace App {
 /// @cond DOXERR
 PROPERTY_SOURCE_TEMPLATE(PartDesign::FeatureAddSubPython, PartDesign::FeatureAddSub)
-template<> const char* PartDesign::FeatureAddSubPython::getViewProviderName(void) const {
+template<> const char* PartDesign::FeatureAddSubPython::getViewProviderName() const {
     return "PartDesignGui::ViewProviderPython";
 }
-template<> PyObject* PartDesign::FeatureAddSubPython::getPyObject(void) {
+template<> PyObject* PartDesign::FeatureAddSubPython::getPyObject() {
     if (PythonObject.is(Py::_None())) {
         // ref counter is set to 1
         PythonObject = Py::Object(new FeaturePythonPyT<PartDesign::FeaturePy>(this),true);

src/Mod/PartDesign/App/FeatureFillet.h

@@ -44,10 +44,10 @@ public:
     /** @name methods override feature */
     //@{
     /// recalculate the feature
-    App::DocumentObjectExecReturn *execute(void) override;
+    App::DocumentObjectExecReturn *execute() override;
     short mustExecute() const override;
     /// returns the type name of the view provider
-    const char* getViewProviderName(void) const override {
+    const char* getViewProviderName() const override {
         return "PartDesignGui::ViewProviderFillet";
     }
     //@}

src/Mod/PartDesign/App/FeaturePyImp.cpp

@@ -30,7 +30,7 @@
 using namespace PartDesign;
 
 // returns a string which represent the object e.g. when printed in python
-std::string FeaturePy::representation(void) const
+std::string FeaturePy::representation() const
 {
     App::DocumentObject* object = this->getFeaturePtr();
     std::stringstream str;