refactor (generative-ai): Cleaning old samples - Group C

[Thoughtseize1]

Description

Cleaning Samples after refactoring Group C

Related PR's:

Feature Name	PR Link
Rag	PR#12612
Reasoning Engine	PR#12613
Safety	PR#12614
System Instructions	PR#12615
Token Count	PR#12616, PR#12638
Audio	PR#12643
Video	PR#12644

Checklist

• I have followed Sample Guidelines from AUTHORING_GUIDE.MD
• README is updated to include all relevant information
• Tests pass: nox -s py-3.9 (see Test Environment Setup)
• Lint pass: nox -s lint (see Test Environment Setup)
• 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

[Thoughtseize1]

Fail with Python 3.8

=================================== FAILURES ===================================
_________________context_caching/test_context_caching.py::test_use_context_cache_________________

details = "Unable to submit request because the service is temporarily out of capacity. Try again later."
  debug_error_string = "UNKNOWN:Error received from peer ipv4:172.217.214.95:443 
{created_time:"2024-10-09T08:17:39.570331374+00:00", 
grpc_status:8, grpc_message:"Unable to submit request because 
the service is temporarily out of capacity. Try again later."}"
>
....
google.api_core.exceptions.ResourceExhausted: 429 Unable to submit request because 
the service is temporarily out of capacity. Try again later.

Try reloading all the tests.

[snippet-bot]

Here is the summary of changes.

You are about to delete 29 region tags.

• generative_ai/count_token/count_token_example.py:21, tag generativeaionvertexai_token_count_sample_with_local_sdk
• generative_ai/count_token/count_token_example.py:39, tag generativeaionvertexai_token_count_sample_with_genai
• generative_ai/gemini_audio.py:21, tag generativeaionvertexai_gemini_audio_summarization
• generative_ai/gemini_audio.py:51, tag generativeaionvertexai_gemini_audio_transcription
• generative_ai/gemini_count_token_example.py:22, tag generativeaionvertexai_gemini_token_count
• generative_ai/gemini_count_token_example.py:51, tag generativeaionvertexai_gemini_token_count_multimodal
• generative_ai/gemini_reasoning_engine.py:27, tag generativeaionvertexai_create_reasoning_engine_basic
• generative_ai/gemini_reasoning_engine.py:69, tag generativeaionvertexai_create_reasoning_engine_advanced
• generative_ai/gemini_reasoning_engine.py:137, tag generativeaionvertexai_query_reasoning_engine
• generative_ai/gemini_reasoning_engine.py:154, tag generativeaionvertexai_list_reasoning_engines
• generative_ai/gemini_reasoning_engine.py:169, tag generativeaionvertexai_get_reasoning_engine
• generative_ai/gemini_reasoning_engine.py:184, tag generativeaionvertexai_delete_reasoning_engine
• generative_ai/gemini_safety_config_example.py:21, tag generativeaionvertexai_gemini_safety_settings
• generative_ai/gemini_single_turn_video_example.py:20, tag generativeaionvertexai_gemini_single_turn_video
• generative_ai/gemini_system_instruction.py:17, tag generativeaionvertexai_gemini_system_instruction
• generative_ai/gemini_video_audio.py:20, tag generativeaionvertexai_gemini_video_with_audio
• generative_ai/rag.py:27, tag generativeaionvertexai_rag_create_corpus
• generative_ai/rag.py:56, tag generativeaionvertexai_rag_get_corpus
• generative_ai/rag.py:75, tag generativeaionvertexai_rag_list_corpora
• generative_ai/rag.py:98, tag generativeaionvertexai_rag_upload_file
• generative_ai/rag.py:128, tag generativeaionvertexai_rag_import_files
• generative_ai/rag.py:157, tag generativeaionvertexai_rag_import_files_async
• generative_ai/rag.py:187, tag generativeaionvertexai_rag_get_file
• generative_ai/rag.py:207, tag generativeaionvertexai_rag_list_files
• generative_ai/rag.py:228, tag generativeaionvertexai_rag_delete_file
• generative_ai/rag.py:246, tag generativeaionvertexai_rag_delete_corpus
• generative_ai/rag.py:266, tag generativeaionvertexai_rag_retrieval_query
• generative_ai/rag.py:299, tag generativeaionvertexai_rag_generate_content
• generative_ai/rag.py:342, tag generativeaionvertexai_rag_quickstart

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[msampathkumar]

Added DO NOT MERGE. The process of updating CGC docs is still in progress.

[msampathkumar]

Quick Update: I plan to merge this PR on Monday 14 Oct, during my working hours .

[msampathkumar]

Approving only after manual verification.