docs: Remove mention of state transfer for DSR
docs: Remove mention of state transfer for DSR

7796070 removed bpf_lb.o and any LB state transfers across nodes for
DSR.

Fixes: 7796070 ("bpf: Remove bpf_lb.c")
Reported-by: Martynas Pumputis <6b0d31c0d563223024da45691584643ac78c96e8@lambda.lt>
Signed-off-by: Paul Chaignon <a027184a55211cd23e3f3094f1fdc728df5e0500@cilium.io>

michi-covalent/cilium,michi-covalent/cilium,tgraf/cilium,cilium/cilium,cilium/cilium,tklauser/cilium,michi-covalent/cilium,tgraf/cilium,cilium/cilium,tgraf/cilium,tgraf/cilium,cilium/cilium,tklauser/cilium,cilium-team/cilium,tgraf/cilium,tklauser/cilium,cilium/cilium,michi-covalent/cilium,tklauser/cilium,cilium-team/cilium,tklauser/cilium,michi-covalent/cilium,tgraf/cilium