mm/damon: remove unused target param of get_scheme_score()

mm/damon: remove unused target param of get_scheme_score()

damon_target is not used by get_scheme_score operations, nor with virtual
neither with physical addresses.

Link: https://lkml.kernel.org/r/20260213145032.1740407-1-gutierrez.asier@huawei-partners.com
Signed-off-by: Asier Gutierrez <gutierrez.asier@huawei-partners.com>
Reviewed-by: SeongJae Park <sj@kernel.org>
Cc: Kefeng Wang <wangkefeng.wang@huawei.com>
Cc: Quanmin Yan <yanquanmin1@huawei.com>
Cc: ze zuo <zuoze1@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>