[SYCL][E2E] Re-enable copy_dynamic_size on CUDA (#17352)

I don't know what fixed it, but this is fixed on the `sycl` branch and
in the latest nightlies.

Fixes #16968

Author: npmiller

sycl/test-e2e/WorkGroupScratchMemory/copy_dynamic_size.cpp

@@ -1,8 +1,5 @@
 // RUN: %{build} -o %t.out
 // RUN: %{run} %t.out
-//
-// UNSUPPORTED: cuda
-// UNSUPPORTED-TRACKER: https://github.com/intel/llvm/issues/16968
 
 // UNSUPPORTED: gpu-intel-gen12
 // UNSUPPORTED-TRACKER: https://github.com/intel/llvm/issues/16072