migration/rdma: Drop RDMARegister.key.chunk

Not used anymore.

Reviewed-by: Jinpu Wang <jinpu.wang@cloud.ionos.com>
Signed-off-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Jack Wang <jinpu.wang@cloud.ionos.com>
Signed-off-by: Fabiano Rosas <farosas@suse.de>
1 file changed