netkit: Remove double invocation to clear ipvs property flag

With ipvs_reset() now done unconditionally in skb_scrub_packet()
we would then call the former twice netkit_prep_forward(). Thus
remove the now unnecessary explicit call.

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Nikolay Aleksandrov <razor@blackwall.org>
Link: https://patch.msgid.link/20250225212927.69271-1-daniel@iogearbox.net


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