Revert "s390/ism: fix receive message buffer allocation"

Revert "s390/ism: fix receive message buffer allocation"

[ Upstream commit d51dc8dd6ab6f93a894ff8b38d3b8d02c98eb9fb ]

This reverts commit 58effa3476536215530c9ec4910ffc981613b413.
Review was not finished on this patch. So it's not ready for
upstreaming.

Signed-off-by: Gerd Bayer <gbayer@linux.ibm.com>
Link: https://lore.kernel.org/r/20240409113753.2181368-1-gbayer@linux.ibm.com
Fixes: 58effa347653 ("s390/ism: fix receive message buffer allocation")
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>