updated baseimage & deleted a useless file

[longwuyuan]

What this PR does / why we need it:

• A new baseimage for nginx-1.25 was built by @strongjz
• This PR updates the project code to use the newly built baseimage

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• CVE Report (Scanner found CVE and adding report)
• Breaking change (fix or feature that would cause existing functionality to change)
• Documentation only

Which issue/s this PR fixes

• Internal process followup task so no issue created

How Has This Been Tested?

• It will be tested after merge, when the new baseimage is used to create the new controller image

Checklist:

• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I've read the CONTRIBUTION guide
• I have added unit and/or e2e tests to cover my changes.
• All new and existing tests passed.

/triage accepted
/priority backlog

cc @strongjz @cpanato @rikatz

[netlify]

✅ Deploy Preview for kubernetes-ingress-nginx canceled.

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[strongjz]

/lgtm

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: longwuyuan, strongjz

The full list of commands accepted by this bot can be found here.

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Needs approval from an approver in each of these files:

• OWNERS [strongjz]

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[strongjz]

/cherry-pick release-1.10

[k8s-infra-cherrypick-robot]

@strongjz: once the present PR merges, I will cherry-pick it on top of release-1.10 in a new PR and assign it to you.

In response to this:

/cherry-pick release-1.10

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.

[k8s-infra-cherrypick-robot]

@strongjz: new pull request created: #11209

In response to this:

/cherry-pick release-1.10

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.