aojea: don't set conntrack parameters in kube-proxy

JobBuild
2241
05-11 20:15
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pull-kind-conformance-parallel-ipv6 1392384616731512832 1392211749855301632
pull-kind-e2e-kubernetes 1392384616681181184 1392211749792387072
pull-kind-e2e-kubernetes-1-18 1392384616802816000 1392211750220206080
pull-kind-e2e-kubernetes-1-19 1392384616781844480 1392211749893050368
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pull-kind-verify 1392384616656015360 1392211749758832640