refactor(gae8): Remove unused auth region tag

[Kef131]

Description

Fixes #
b/347351385

Remove auth region tag from Greetins.java file

Checklist

Testing

• I have tested this change on a live environment and verified it works as intended.
• Tests pass: mvn clean verify required
• Lint passes: mvn -P lint checkstyle:check required
• Static Analysis: mvn -P lint clean compile pmd:cpd-check spotbugs:check advisory only

Compliance & Style

• I have followed Sample Format Guide
• pom.xml parent set to latest shared-configuration
• Appropriate changes to README are included in PR
• 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

Post-Approval Actions

• Please merge this PR for me once it is approved

[gemini-code-assist]

Code Review

This pull request removes the "// [START auth]" and "// [END auth]" region comments around the "authedGreeting" method in Greetings.java. There are no review comments, and I have no additional feedback to provide.

[snippet-bot]

Here is the summary of changes.

You are about to delete 1 region tag.

• appengine-java8/endpoints-v2-migration/src/main/java/com/example/helloendpoints/Greetings.java:79, tag auth

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[XrossFox]

LGTM