Part: modernize C++: return braced init list

src/Mod/Part/App/Part2DObjectPyImp.cpp

@@ -35,11 +35,9 @@ using namespace Part;
 // returns a string which represents the object e.g. when printed in python
 std::string Part2DObjectPy::representation() const
 {
-    return std::string("<Part::Part2DObject>");
+    return {"<Part::Part2DObject>"};
 }
 
-
-
 PyObject *Part2DObjectPy::getCustomAttributes(const char* /*attr*/) const
 {
     return nullptr;