samples: gpu: performance: removed FGDStatModel performance comparison test

The FGD background subtraction model was part of opencv_legacy module;
as it is gone now, it makes little sense to benchmark the GPU version,
either, so the whole test is removed.

samples/gpu/performance/tests.cpp

@@ -1266,63 +1266,6 @@ TEST(FarnebackOpticalFlow)
     }}}
 }
 
-namespace cv
-{
-    template<> void DefaultDeleter<CvBGStatModel>::operator ()(CvBGStatModel* obj) const
-    {
-        cvReleaseBGStatModel(&obj);
-    }
-}
-
-TEST(FGDStatModel)
-{
-    const std::string inputFile = abspath("768x576.avi");
-
-    VideoCapture cap(inputFile);
-    if (!cap.isOpened()) throw runtime_error("can't open 768x576.avi");
-
-    Mat frame;
-    cap >> frame;
-
-    IplImage ipl_frame = frame;
-    Ptr<CvBGStatModel> model(cvCreateFGDStatModel(&ipl_frame));
-
-    while (!TestSystem::instance().stop())
-    {
-        cap >> frame;
-        ipl_frame = frame;
-
-        TestSystem::instance().cpuOn();
-
-        cvUpdateBGStatModel(&ipl_frame, model);
-
-        TestSystem::instance().cpuOff();
-    }
-    TestSystem::instance().cpuComplete();
-
-    cap.open(inputFile);
-
-    cap >> frame;
-
-    cuda::GpuMat d_frame(frame), d_fgmask;
-    Ptr<BackgroundSubtractor> d_fgd = cuda::createBackgroundSubtractorFGD();
-
-    d_fgd->apply(d_frame, d_fgmask);
-
-    while (!TestSystem::instance().stop())
-    {
-        cap >> frame;
-        d_frame.upload(frame);
-
-        TestSystem::instance().gpuOn();
-
-        d_fgd->apply(d_frame, d_fgmask);
-
-        TestSystem::instance().gpuOff();
-    }
-    TestSystem::instance().gpuComplete();
-}
-
 TEST(MOG)
 {
     const std::string inputFile = abspath("768x576.avi");