next: drop CV_CXX11 conditions

define itself is still here for compatibility

modules/core/test/test_mat.cpp

@@ -1344,8 +1344,6 @@ TEST(Core_Matx, fromMat_)
     ASSERT_EQ( cvtest::norm(a, b, NORM_INF), 0.);
 }
 
-#ifdef CV_CXX11
-
 TEST(Core_Matx, from_initializer_list)
 {
     Mat_<double> a = (Mat_<double>(2,2) << 10, 11, 12, 13);
@@ -1360,8 +1358,6 @@ TEST(Core_Mat, regression_9507)
     EXPECT_EQ(25u, m2.total());
 }
 
-#endif // CXX11
-
 TEST(Core_InputArray, empty)
 {
     vector<vector<Point> > data;
@@ -1711,8 +1707,6 @@ TEST(Mat, regression_8680)
    ASSERT_EQ(mat.channels(), 2);
 }
 
-#ifdef CV_CXX11
-
 TEST(Mat_, range_based_for)
 {
     Mat_<uchar> img = Mat_<uchar>::zeros(3, 3);
@@ -1774,6 +1768,4 @@ TEST(Mat_, template_based_ptr)
     ASSERT_FLOAT_EQ(66.0f, *(mat.ptr<float>(idx)));
 }
 
-#endif
-
 }} // namespace