FEM: Remove unnecessary overrides from Analysis

onChanged, execute, mustExecute and getPyObject where overwritten but
the implementation didn't do anything different from the implementation
of the base class DocumentObject in this case. Thus they where
redundent.

src/Mod/Fem/App/FemAnalysis.cpp

@@ -48,21 +48,6 @@ FemAnalysis::~FemAnalysis()
 {
 }
 
-short FemAnalysis::mustExecute(void) const
-{
-    return 0;
-}
-
-PyObject *FemAnalysis::getPyObject()
-{
-    return App::DocumentObjectGroup::getPyObject();
-}
-
-void FemAnalysis::onChanged(const Property* prop)
-{
-    App::DocumentObjectGroup::onChanged(prop);
-}
-
 void FemAnalysis::handleChangedPropertyName(Base::XMLReader &reader,
                                             const char * TypeName,
                                             const char *PropName)

src/Mod/Fem/App/FemAnalysis.h

@@ -43,23 +43,14 @@ class AppFemExport FemAnalysis : public App::DocumentObjectGroup
     FemAnalysis(void);
     virtual ~FemAnalysis();
 
-    /// returns the type name of the ViewProvider
-    virtual const char* getViewProviderName(void) const {
-        return "FemGui::ViewProviderFemAnalysis";
-    }
-    virtual App::DocumentObjectExecReturn *execute(void) {
-        return App::DocumentObject::StdReturn;
-    }
-    virtual short mustExecute(void) const;
-    virtual PyObject *getPyObject(void);
-
     /// unique identifier of the Analysis
     App::PropertyUUID    Uid;
 
+    virtual const char* getViewProviderName() const {
+        return "FemGui::ViewProviderFemAnalysis";
+    }
 
 protected:
-    /// get called by the container when a property has changed
-    virtual void onChanged (const App::Property* prop);
     /// Support of backward compatibility
     virtual void handleChangedPropertyName(Base::XMLReader &reader,
                                            const char * TypeName,