etcd: Remove duplicated etcd robustness periodic job

[ivanvc]

This pull request has two commits:

1. Replace apt updates with apt-get -o APT::Update::Error-Mode=any update, which was initially worked on fix: Use apt -o APT::Update::Error-Mode=any for updating package lists #32602, reported on fatal error: fuse3/fuse.h: No such file or directory etcd-io/etcd#17870 and addressed in github workflow: fix all apt-install error return code etcd-io/etcd#17984. However, the PR from this repository didn't change all instances where apt update was called.
2. Remove ci-etcd-robustness-{arm64,amd64} in favor of ci-etcd-robustness-main-{arm64,amd64}, as discussed in Migrate the robustness tests to prow etcd-io/etcd#18136.

Part of #32754 / kubernetes/k8s.io#6102

/cc @jmhbnz @serathius

[jmhbnz]

/lgtm

Thanks for tidying these up @ivanvc

[serathius]

/lgtm
/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: ivanvc, serathius

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[k8s-ci-robot]

@ivanvc: Updated the job-config configmap in namespace default at cluster test-infra-trusted using the following files:

• key etcd-periodics.yaml using file config/jobs/etcd/etcd-periodics.yaml

In response to this:

This pull request has two commits:

1. Replace apt updates with apt-get -o APT::Update::Error-Mode=any update, which was initially worked on fix: Use apt -o APT::Update::Error-Mode=any for updating package lists #32602, reported on fatal error: fuse3/fuse.h: No such file or directory etcd-io/etcd#17870 and addressed in github workflow: fix all apt-install error return code etcd-io/etcd#17984. However, the PR from this repository didn't change all instances where apt update was called.
2. Remove ci-etcd-robustness-{arm64,amd64} in favor of ci-etcd-robustness-main-{arm64,amd64}, as discussed in Migrate the robustness tests to prow etcd-io/etcd#18136.

Part of #32754 / kubernetes/k8s.io#6102

/cc @jmhbnz @serathius

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