[SYCL][CUDA] Re-enable LIT tests for CUDA (#1843)

Re-enabling LIT tests marked as `UNSUPPORTED: cuda` that were previosuly
failing non-deterministically and should be fixed by commit
3797020.

Signed-off-by: Bjoern Knafla <[email protected]>

Author: bjoernknafla

sycl/test/basic_tests/buffer/buffer_dev_to_dev.cpp

@@ -1,7 +1,3 @@
-// The test fails sporadically on cuda.
-// See https://github.com/intel/llvm/issues/1508 for more details.
-// UNSUPPORTED: cuda
-
 // RUN: %clangxx -fsycl -fsycl-targets=%sycl_triple %s -o %t.out
 // RUN: env SYCL_DEVICE_TYPE=HOST %t.out
 // RUN: %CPU_RUN_PLACEHOLDER %t.out

sycl/test/basic_tests/handler/handler_mem_op.cpp

@@ -1,7 +1,3 @@
-// The test fails sporadically on cuda.
-// See https://github.com/intel/llvm/issues/1508 for more details.
-// UNSUPPORTED: cuda
-
 // RUN: %clangxx -fsycl -fsycl-targets=%sycl_triple %s -o %t.out
 // RUN: env SYCL_DEVICE_TYPE=HOST %t.out
 // RUN: %CPU_RUN_PLACEHOLDER %t.out