[amcolin]

Description

Remove beta and duplicate Text-to-Speech list voices samples

Fixes Internal b/584767600

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 deletes several Google Cloud Text-to-Speech API sample files and their integration tests, including ListAllSupportedVoices, ListAllSupportedVoicesBeta, and their respective integration test files for both v1 and v1beta1 versions. I have no feedback to provide as there are no review comments.

[snippet-bot]

Here is the summary of changes.

You are about to delete 3 region tags.

• texttospeech/beta/src/main/java/com/example/texttospeech/ListAllSupportedVoices.java:33, tag tts_list_voices
• texttospeech/snippets/src/main/java/com/example/texttospeech/ListAllSupportedVoices.java:33, tag tts_list_voices
• texttospeech/snippets/src/main/java/com/example/texttospeech/ListAllSupportedVoicesBeta.java:33, tag tts_list_voices

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[angelcaamal]

Confirmed that the samples are not in use, LGTM!