bonding: delete always true device check

JIRA: https://issues.redhat.com/browse/RHEL-84541


Upstream Status: net.git commit 546d98393abc

commit 546d98393abcf2f841e61163d95ed21fde346cc1
Author: Leon Romanovsky <leon@kernel.org>
Date:   Mon Feb 3 14:59:23 2025 +0200

    bonding: delete always true device check

    XFRM API makes sure that xs->xso.dev is valid in all XFRM offload
    callbacks. There is no need to check it again.

Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Acked-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Nikolay Aleksandrov <razor@blackwall.org>
    Link: https://patch.msgid.link/0b2f8f5f09701bb43bbd83b94bfe5cb506b57adc.1738587150.git.leon@kernel.org


Signed-off-by: Jakub Kicinski <kuba@kernel.org>

Signed-off-by: Hangbin Liu <haliu@redhat.com>