refactor(jobs): Migration job_search_histogram_search_beta region tag on jobs/v4beta1 Step 2/2

[Kef131]

Description

Fixes #
b/534901636

Removed job_search_histogram_search region tag, part of migration process in jobs/v4/src/main/java/com/example/jobs/HistogramSearchJobs.java.

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 job_search_histogram_search region tags from HistogramSearchJobs.java, leaving only the beta region tags. There are no review comments, and I have no feedback to provide.

[angelcaamal]

I can't find any reference to the job_search_histogram_search region tag in Java, LGTM.

[snippet-bot]

Here is the summary of changes.

You are about to delete 1 region tag.

• jobs/v4/src/main/java/com/example/jobs/HistogramSearchJobs.java:19, tag job_search_histogram_search

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