[DRAFT] distroless-iptables: remove dependency from conntrack binary
What type of PR is this?
/kind cleanup
What this PR does / why we need it:
With https://github.com/kubernetes/kubernetes/pull/126847 kube-proxy will no longer depend on conntrack binary to be present on the image, this PR removes the conntrack binary from the distroless-iptables image.
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This image is versioned separately from kubernetes, and I think it's possible for an older kube-proxy image to get built against a newer distroless-iptables image (eg if we have to fix a security problem in the base image). So I think we need to keep conntrack there?
/cc @BenTheElder
/hold till all the versions don't depend on conntrack. (ref: https://github.com/kubernetes/kubernetes/pull/126847#issuecomment-2330192339)
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