Replace createCaffeImporter to readNetFromCaffe (#1310)

modules/tracking/src/gtrTracker.cpp

@@ -110,23 +110,7 @@ bool TrackerGOTURNImpl::initImpl(const Mat& image, const Rect2d& boundingBox)
     //Load GOTURN architecture from *.prototxt and pretrained weights from *.caffemodel
     String modelTxt = "goturn.prototxt";
     String modelBin = "goturn.caffemodel";
-    Ptr<dnn::Importer> importer;
-    try                                     //Import GOTURN model
-    {
-        importer = dnn::createCaffeImporter(modelTxt, modelBin);
-    }
-    catch (const cv::Exception &err)        //Importer can throw errors, we will catch them
-    {
-        std::cerr << err.msg << std::endl;
-    }
-    if (!importer)
-    {
-        cvError(CV_StsError, "cv::gtr::InitImpl", "GOTURN network loading error...", "gtrTracker.cpp", 117);
-    }
-
-    importer->populateNet(net);
-    importer.release();                     //We don't need importer anymore
-
+    net = dnn::readNetFromCaffe(modelTxt, modelBin);
     return true;
 }