Revert "disable CUDA generalized Hough Transform"

This reverts commit 33d42b74.

modules/gpu/src/cuda/generalized_hough.cu

@@ -40,8 +40,6 @@
 //
 //M*/
 
-#define CUDA_DISABLER
-
 #if !defined CUDA_DISABLER
 
 #include <thrust/device_ptr.h>

modules/gpu/src/generalized_hough.cpp

@@ -40,8 +40,6 @@
 //
 //M*/
 
-#define CUDA_DISABLER
-
 #include "precomp.hpp"
 
 using namespace std;

modules/gpu/test/test_hough.cpp

@@ -189,7 +189,7 @@ PARAM_TEST_CASE(GeneralizedHough, cv::gpu::DeviceInfo, UseRoi)
 {
 };
 
-GPU_TEST_P(GeneralizedHough, DISABLED_POSITION)
+GPU_TEST_P(GeneralizedHough, POSITION)
 {
     const cv::gpu::DeviceInfo devInfo = GET_PARAM(0);
     cv::gpu::setDevice(devInfo.deviceID());