mm: zswap: remove unused tree argument in zswap_entry_put()

Commit 73108957 ("mm: zswap: tighten up entry invalidation") removed
the usage of tree argument, delete it.

Link: https://lkml.kernel.org/r/20240125081423.1200336-1-yosryahmed@google.com


Signed-off-by: Yosry Ahmed <yosryahmed@google.com>
Reviewed-by: Chengming Zhou <zhouchengming@bytedance.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Reviewed-by: Nhat Pham <nphamcs@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>