5607c7ee49
For surfaces without a modifier, the surf_size check wasn't
necessary, but it was also invalid since surf_size is set later
(in gfx12_compute_miptree).
Since it's not required anyway, drop this check.
Fixes: 060d5dacfd ("ac: add gfx12 DCC shared code")
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/31683>