Error in LFRic GPU Offloading Script

[hiker]

The example script in
https://github.com/stfc/PSyclone/blob/master/examples/lfric/scripts/gpu_offloading.py
contains:

        # Make setval_* compute redundantly to the level 1 halo if it
        # is in its own loop and only if it has an iteration space that is
        # *not* restricted to owned dofs.
        for loop in subroutine.loops():
            if loop.iteration_space == "dof":
                if len(loop.kernels()) == 1:
                    if loop.kernels()[0].name in ["setval_c", "setval_x"]:
                        rtrans.apply(loop, options={"depth": 1})

But modifying setval_x introduces changes to the KGO. Since this example might be used in 'real' LFRic, we should remove setval_x and only modify setval_c.