Remove e2e cluster with oldest supported K8s version

[Kalaiselvi84]

What type of PR is this?

Uncomment only one /kind <> line, press enter to put that in a new line, and remove leading whitespace from that line:

/kind breaking
/kind bug

/kind cleanup

/kind documentation
/kind feature
/kind hotfix
/kind release

What this PR does / Why we need it:

Which issue(s) this PR fixes:

Closes #3230

Special notes for your reviewer:

[agones-bot]

Build Failed 😱

Build Id: bf15030a-abb2-4e7c-b847-7dce615a506c

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[agones-bot]

Build Succeeded 👏

Build Id: 81ba47e5-39ff-4ed2-92e9-4816cab08682

The following development artifacts have been built, and will exist for the next 30 days:

• image: us-docker.pkg.dev/agones-images/ci/agones-controller:1.34.0-dev-7ce698d-amd64
• image: us-docker.pkg.dev/agones-images/ci/agones-extensions:1.34.0-dev-7ce698d-amd64
• image: us-docker.pkg.dev/agones-images/ci/agones-sdk:1.34.0-dev-7ce698d-linux-amd64
• image: us-docker.pkg.dev/agones-images/ci/agones-ping:1.34.0-dev-7ce698d-amd64
• image: us-docker.pkg.dev/agones-images/ci/agones-allocator:1.34.0-dev-7ce698d-amd64
• Linux C++ SDK (build): agonessdk-1.34.0-dev-7ce698d-amd64-linux-arch_64.tar.gz
• SDK Server: agonessdk-server-1.34.0-dev-7ce698d-amd64.zip

A preview of the website (the last 30 builds are retained):

• https://7ce698d-dot-preview-dot-agones-images.appspot.com/

To install this version:

• git fetch https://github.com/googleforgames/agones.git pull/3267/head:pr_3267 && git checkout pr_3267
• helm install agones ./install/helm/agones --namespace agones-system --set agones.image.registry=us-docker.pkg.dev/agones-images/ci --set agones.image.tag=1.34.0-dev-7ce698d-amd64

[google-oss-prow]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: aimuz, gongmax, Kalaiselvi84
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