ac/nir/ngg: Don't call has_input_primitive in GS lowering.

The entire GS lowering will be moved to another file, which
won't have this function.

Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/33218>
1 file changed