bpf: Remove duplicate conntrack code
bpf: Remove duplicate conntrack code

We spotted this unnecessary code duplication during a pull request
review with Yutaro.

Reported-by: Yutaro Hayakawa <65647db0e0f9a5caf65d28f8fe7f0278d9794968@isovalent.com>
Signed-off-by: Paul Chaignon <a027184a55211cd23e3f3094f1fdc728df5e0500@cilium.io>

michi-covalent/cilium,cilium/cilium,cilium/cilium,cilium/cilium,michi-covalent/cilium,michi-covalent/cilium,michi-covalent/cilium,cilium/cilium,michi-covalent/cilium,cilium/cilium