Remove unused forward decl.

jbrodman · jbrodman · commit c9814a6eb0ef · 2020-02-03T06:22:56.000-05:00
Signed-off-by: James Brodman &lt;james.brodman@intel.com&gt;
diff --git a/sycl/include/CL/sycl/property_list.hpp b/sycl/include/CL/sycl/property_list.hpp
@@ -40,7 +40,6 @@ class context_bound;
 namespace queue {
 class enable_profiling;
 class in_order;
-class out_of_order;
 } // namespace queue
 
 namespace detail {
