Mod: modernize C++: use equals default

src/Mod/Measure/App/AppMeasure.cpp

@@ -38,8 +38,6 @@ public:
         initialize("This module is the Measure module."); // register with Python
     }
 
-    ~Module() override {}
-
 private:
 };
 

src/Mod/Measure/App/Measurement.cpp

@@ -59,10 +59,7 @@ Measurement::Measurement()
     References3D.setScope(App::LinkScope::Global);
 }
 
-Measurement::~Measurement()
-{
-
-}
+Measurement::~Measurement() = default;
 
 void Measurement::clear()
 {