Remove SYCL set/getQueue methods, part 2

[rhornung67]

The RAJA setQueue and getQueue methods are a remnant from before we were able to pass a resource to RAJA kernel execution methods. The remaining calls involve contents of the following files. Fully resolving the dependences on the getQueue methods may require some adjustment to code that is generic w.r.t. execution back-end. This may require some coordination with other back-end support.

• policy/sycl/MemUtils_SYCL.hpp
• policy/sycl/reduce.hpp