fix(retail): add region tag for Java - Update deleteproduct.java

[rebeccaellis]

Description

Fixes #415382524

Note: Before submitting a pull request, please open an issue for discussion if you are not associated with Google.

Checklist

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

[snippet-bot]

Here is the summary of changes.

You are about to add 1 region tag.

• retail/interactive-tutorials/src/main/java/product/DeleteProduct.java:20, tag retail_delete_product

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[gemini-code-assist]

Summary of Changes

Hello @rebeccaellis, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request addresses an issue by implementing standard Google Cloud documentation region tags within the DeleteProduct.java sample. The primary goal is to enable automated extraction of this code sample for use in documentation, thereby improving the discoverability and reusability of the Retail API Java sample code.

Highlights

• Documentation Tagging: Added [START] and [END] region tags to the DeleteProduct.java sample file. These tags are crucial for automatically extracting code snippets for documentation purposes, ensuring consistency and ease of maintenance for code examples.

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[gemini-code-assist]

Code Review

This pull request adds standard region tags (// [START retail_delete_product] and // [END retail_delete_product]) to the DeleteProduct.java file. These tags encompass the entire file content, from before the package declaration to the end of the file. This tagging strategy appears consistent with other Java files within the retail/interactive-tutorials directory (e.g., CreateProduct.java, UpdateProduct.java), likely to enable the extraction of complete, runnable sample files for documentation or tutorial purposes. The changes are confined to comments and do not modify the program's logic, functionality, or performance. No issues meeting the specified severity threshold (medium, high, or critical) were identified in the provided diff.