Adding deprecation notices for CUDA
Adding deprecation notices for CUDA

Co-authored-by: Graham Markall <86e2b45e0e0bdcc23eddfa66ab0162cb095b788e@users.noreply.github.com>
numba/numba,cpcloud/numba,numba/numba,IntelLabs/numba,numba/numba,cpcloud/numba,IntelLabs/numba,IntelLabs/numba,numba/numba,cpcloud/numba,cpcloud/numba,IntelLabs/numba,cpcloud/numba,IntelLabs/numba,numba/numba