Naming of generated samples shouldn't include [reponame]_generated

[galz10]

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Is your feature request related to a problem? Please describe. the names of the generated samples in Document AI are very long and because of the documentai_generated in front of each sample it makes it impossible to figure out which sample it is because you can't read the names, so you have to go into each sample to find the sample you're looking for.

An example : https://github.com/googleapis/python-documentai/tree/owl-bot-17b0dd21-4ed8-4326-9f80-e5903182ca81/samples/generated_samples

Describe the solution you'd like Shorten the naming of the generated samples so it all fits within view of the generated samples folder. I would follow this structure [version]_[name_of_sample].py something like this v1_document_processor_service_batch_process_documents_sync.py

Describe alternatives you've considered A clear and concise description of any alternative solutions or features you've considered.

Additional context Add any other context or screenshots about the feature request here.