[SYCL] Disable user defined reductions on CUDA/HIP (intel#1429)

Test was just added in
intel#1395
and fails on these platforms

Author: Pavel Chupin

SYCL/UserDefinedReductions/user_defined_reductions.cpp

@@ -1,10 +1,15 @@
 // RUN: %clangxx -fsycl %s -o %t.out
 // RUN: %t.out
 <<<<<<< HEAD
+<<<<<<< HEAD
 //
 // UNSUPPORTED: cuda || hip
 =======
 >>>>>>> 249e3819d ([SYCL] Add tests for user-defined reductions extension (#1395))
+=======
+//
+// UNSUPPORTED: cuda || hip
+>>>>>>> 43a41ea49 ([SYCL] Disable user defined reductions on CUDA/HIP (#1429))
 
 #include <numeric>