[TD] remove more superfluous nullptr checks

src/Mod/TechDraw/App/AppTechDrawPy.cpp

@@ -710,7 +710,7 @@ private:
                     } else if (v->isDerivedFrom(TechDraw::DrawViewDimension::getClassTypeId())) {
                         DrawViewDimension* dvd = static_cast<TechDraw::DrawViewDimension*>(v);
                         TechDraw::DrawViewPart* dvp = dvd->getViewPart();
-                        if (dvp == nullptr) {
+                        if (!dvp) {
                             continue;
                         }
                         double grandParentX = 0.0;
@@ -718,7 +718,7 @@ private:
                         if (dvp->isDerivedFrom(TechDraw::DrawProjGroupItem::getClassTypeId())) {
                             TechDraw::DrawProjGroupItem* dpgi = static_cast<TechDraw::DrawProjGroupItem*>(dvp);
                             TechDraw::DrawProjGroup* dpg = dpgi->getPGroup();
-                            if (dpg == nullptr) {
+                            if (!dpg) {
                                 continue;
                             }
                             grandParentX = dpg->X.getValue();

src/Mod/TechDraw/App/Cosmetic.cpp

@@ -1254,7 +1254,7 @@ void CenterLine::Save(Base::Writer &writer) const
     writer.Stream() << writer.ind() << "<Visible value=\"" <<  v << "\"/>" << endl;
 
 //stored geometry
-    if (m_geometry == nullptr) {
+    if (!m_geometry) {
         return Base::Console().Error("CL::Save - m_geometry is null\n");
     }
 

src/Mod/TechDraw/App/CosmeticEdgePyImp.cpp

@@ -363,7 +363,7 @@ void CosmeticEdgePy::setCenter(Py::Object arg)
     pNew = DrawUtil::invertY(pNew);
     auto oldGeom = getCosmeticEdgePtr()->m_geometry;
     TechDraw::CirclePtr oldCircle = std::dynamic_pointer_cast<TechDraw::Circle> (oldGeom);
-    if (oldCircle == nullptr) {
+    if (!oldCircle) {
         throw Py::TypeError("Edge geometry is not a circle");
     }
 

src/Mod/TechDraw/App/DrawViewSection.cpp

@@ -289,7 +289,7 @@ App::DocumentObjectExecReturn *DrawViewSection::execute(void)
     }
 
     App::DocumentObject* base = BaseView.getValue();
-    if (base == nullptr) {
+    if (!base) {
         return new App::DocumentObjectExecReturn("BaseView object not found");
     }
 

src/Mod/TechDraw/App/GeometryObject.cpp

@@ -494,7 +494,7 @@ void GeometryObject::addGeomFromCompound(TopoDS_Shape edgeCompound, edgeClass ca
         }
 
         base = BaseGeom::baseFactory(edge);
-        if (base == nullptr) {
+        if (!base) {
             Base::Console().Log("Error - GO::addGeomFromCompound - baseFactory failed for edge: %d\n",i);
             continue;
 //            throw Base::ValueError("GeometryObject::addGeomFromCompound - baseFactory failed");

src/Mod/TechDraw/App/LandmarkDimension.cpp

@@ -108,7 +108,7 @@ App::DocumentObjectExecReturn *LandmarkDimension::execute(void)
     }
 
     DrawViewPart* dvp = getViewPart();
-    if (dvp == nullptr) {
+    if (!dvp) {
         return App::DocumentObject::StdReturn;
     }
     References2D.setValue(dvp);

src/Mod/TechDraw/App/ShapeExtractor.cpp

@@ -161,7 +161,7 @@ std::vector<TopoDS_Shape> ShapeExtractor::getXShapes(const App::Link* xLink)
 {
 //    Base::Console().Message("SE::getXShapes(%X) - %s\n", xLink, xLink->getNameInDocument());
     std::vector<TopoDS_Shape> xSourceShapes;
-    if (xLink == nullptr) {
+    if (!xLink) {
         return xSourceShapes;
     }