hakman: Remove etcd-manager certificate expiration advisory

JobBuild
11480
05-13 12:11
pull-kops-bazel-build 1393066574469926912 1392814614600749056
pull-kops-bazel-test 1393066574495092736 1392814614621720576
pull-kops-e2e-k8s-containerd 1393066574448955392 1392814614583971840
pull-kops-e2e-kubernetes-aws 1393066574415400960 1392814614550417408
pull-kops-verify-bazel 1393066574511869952 1392814614638497792
pull-kops-verify-boilerplate 1393066574578978816 1392814614701412352
pull-kops-verify-generated 1393066574532841472 1392814614659469312
pull-kops-verify-gofmt 1393066574599950336 1392814614726578176
pull-kops-verify-gomod 1393066574553812992 1392814614688829440
pull-kops-verify-govet 1393066574620921856 1392814614747549696
pull-kops-verify-staticcheck 1393066575254261760 1392814615351529472