removing ospRelease conditionals

Rendering/RayTracing/vtkOSPRayLightNode.cxx

@@ -51,7 +51,7 @@ vtkOSPRayLightNode::~vtkOSPRayLightNode()
   if (orn)
   {
     RTW::Backend* backend = orn->GetBackend();
-    if (backend != nullptr && this->OLight)
+    if (backend != nullptr)
       ospRelease((OSPLight)this->OLight);
   }
 }
@@ -153,8 +153,6 @@ void vtkOSPRayLightNode::Render(bool prepass)
     RTW::Backend* backend = orn->GetBackend();
     if (backend == nullptr)
       return;
-    // if (this->OLight);
-    //   ospRelease(this->OLight);
     OSPLight ospLight;
 
     vtkLight* light = vtkLight::SafeDownCast(this->GetRenderable());

Rendering/RayTracing/vtkOSPRayRendererNode.cxx

@@ -451,18 +451,12 @@ vtkOSPRayRendererNode::~vtkOSPRayRendererNode()
   if (this->Internal->Backend != nullptr)
   {
     RTW::Backend* backend = this->Internal->Backend;
-    if (this->ODummyInstanceData)
-      ospRelease(this->ODummyInstanceData);
-    if (this->OWorld)
-      ospRelease(this->OWorld);
-    if (this->ORenderer)
-      ospRelease(this->ORenderer);
-    if (this->OFrameBuffer)
-      ospRelease(this->OFrameBuffer);
-    if (this->OLightArray)
-      ospRelease(this->OLightArray);
-    if (this->OCamera)
-      ospRelease(this->OCamera);
+    ospRelease(this->ODummyInstanceData);
+    ospRelease(this->OWorld);
+    ospRelease(this->ORenderer);
+    ospRelease(this->OFrameBuffer);
+    ospRelease(this->OLightArray);
+    ospRelease(this->OCamera);
   }
   this->AccumulateMatrix->Delete();
   delete this->Internal;
@@ -1280,8 +1274,7 @@ void vtkOSPRayRendererNode::Render(bool prepass)
       this->ImageX = this->Size[0];
       this->ImageY = this->Size[1];
       const size_t size = this->ImageX * this->ImageY;
-      if (this->OFrameBuffer)
-        ospRelease(this->OFrameBuffer);
+      ospRelease(this->OFrameBuffer);
 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Wextra"
       this->OFrameBuffer = ospNewFrameBuffer(isize,
@@ -1521,11 +1514,8 @@ void vtkOSPRayRendererNode::Render(bool prepass)
 #pragma GCC diagnostic pop
 
     // release data used to store instances and clear world
-    if (this->OInstanceData)
-    {
-      ospRelease(this->OInstanceData);
-      this->OInstanceData = nullptr;
-    }
+    ospRelease(this->OInstanceData);
+    this->OInstanceData = nullptr;
     ospRelease(this->OWorld);
     this->OWorld = nullptr;