fix(appengine): delete old region tags

[OremGLG]

Description

Delete old regions

Fixes
b/347825430
b/347825408

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Checklist

• I have followed Contributing Guidelines from CONTRIBUTING.MD
• Tests pass: go test -v ./.. (see Testing)
• Code formatted: gofmt (see Formatting)
• Vetting pass: go vet (see Formatting)
• These samples need a new API enabled in testing projects to pass (let us know which ones)
• These samples need a new/updated env vars in testing projects set to pass (let us know which ones)
• This sample adds a new sample directory, and I updated the CODEOWNERS file with the codeowners for this sample
• This sample adds a new Product API, and I updated the Blunderbuss issue/PR auto-assigner with the codeowners for this sample
• Please merge this PR for me once it is approved

[code-review-assist]

Hi team,

I'm currently reviewing this pull request and will provide my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly understand the changes:

This pull request, submitted by OremGLG, aims to fix issues b/347825430 and b/347825408 by deleting old region tags. The changes are focused on the endpoints/getting-started/k8s/esp_echo_http.yaml file.

Specifically, the PR removes some seemingly outdated comments related to service account secrets within the Kubernetes YAML configuration file. The before and after diffs show the removal of comment blocks denoted by # [START endpoints_secret_1], # [END endpoints_secret_1], # [START endpoints_secret_2], and # [END endpoints_secret_2]. These comments were likely placeholders or examples that are no longer needed.

Here's a breakdown of the changes:

• File: endpoints/getting-started/k8s/esp_echo_http.yaml
  • Removed comment blocks from lines 41-47 and 65-71. These blocks were related to service account secrets.

The author has indicated that tests, code formatting, and vetting have passed. The PR is ready for review and merge once approved.

---

And now, a little haiku to lighten the mood:

Old tags now removed,
Clean code shines, a brighter day,
Review's swift and sure.

[code-review-assist]

Gemini encountered an error creating the review. You can try again by commenting @code-review-assist review.

[snippet-bot]

Here is the summary of changes.

You are about to delete 3 region tags.

• endpoints/getting-started/k8s/esp_echo_http.yaml:42, tag endpoints_secret_1
• endpoints/getting-started/k8s/esp_echo_http.yaml:50, tag endpoints_service
• endpoints/getting-started/k8s/esp_echo_http.yaml:66, tag endpoints_secret_2

---

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[OremGLG]

@iennae I've intentionally opened this PR for review, even though Kokoro CI is failing. Kokoro CI is looking for go tests in the folder I've edited, but there are no tests to run.