Removed unused constructor.

modules/ocl/include/opencv2/ocl/ocl.hpp

@@ -1900,8 +1900,6 @@ namespace cv
         public:
             KNearestNeighbour();
             ~KNearestNeighbour();
-            KNearestNeighbour(const Mat& trainData, const Mat& labels,
-                const Mat& sampleIdx = Mat().setTo(Scalar::all(0)), bool isRegression = false, int max_k = 32);
 
             bool train(const Mat& trainData, Mat& labels, Mat& sampleIdx = Mat().setTo(Scalar::all(0)),
                 bool isRegression = false, int max_k = 32, bool updateBase = false);
@@ -1911,9 +1909,6 @@ namespace cv
             void find_nearest(const oclMat& samples, int k, oclMat& lables);
 
         private:
-            int max_k, var_count;
-            int total;
-            bool regression;
             oclMat samples_ocl;
         };
     }

modules/ocl/src/knearest.cpp

@@ -63,13 +63,7 @@ KNearestNeighbour::KNearestNeighbour()
 KNearestNeighbour::~KNearestNeighbour()
 {
     clear();
-}
-
-KNearestNeighbour::KNearestNeighbour(const Mat& train_data, const Mat& responses,
-                                     const Mat& sample_idx, bool is_regression, int max_k)
-{
-    max_k = max_k;
-    CvKNearest::train(train_data, responses, sample_idx, is_regression, max_k);
+    samples_ocl.release();
 }
 
 void KNearestNeighbour::clear()