SYCL: Restrict workaround for is_device_copyable to oneAPI versions b…

…efore 2024.0.0 (#6532)

* SYCL: Restrict workaround for is_device_copyable to oneAPI versions before 2024.0.0

* Allow for checking __LIBSYCL_MAJOR_VERSION as well

* Drop check for KOKKOS_ENABLE_SYCL

* Fix __LIBSYCL_MAJOR_VERSION check

core/src/SYCL/Kokkos_SYCL_Instance.hpp

@@ -333,8 +333,8 @@ struct sycl::is_device_copyable<
     Kokkos::Experimental::Impl::SYCLFunctionWrapper<Functor, Storage, false>>
     : std::true_type {};
 
-// FIXME_SYCL Remove when this specialization when specializations for
-// sycl::device_copyable also apply to const-qualified types.
+#if (defined(__INTEL_LLVM_COMPILER) && __INTEL_LLVM_COMPILER < 20240000) || \
+    (defined(__LIBSYCL_MAJOR_VERSION) && __LIBSYCL_MAJOR_VERSION < 7)
 template <typename>
 struct NonTriviallyCopyableAndDeviceCopyable {
   NonTriviallyCopyableAndDeviceCopyable(
@@ -359,3 +359,4 @@ struct sycl::is_device_copyable<
     : std::true_type {};
 #endif
 #endif
+#endif