refactor: Make direct_transformers_import util
Author: connor-henderson
Pull request: yes

# What does this PR do?
Is this wanted? Will just close out if not.

Moves the common process of directly importing `transformers` to a utility function.

Related [PR](https://github.com/huggingface/transformers/pull/21651)
Related to this issue: #21645 

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@sgugger 

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Comments:
_The documentation is not available anymore as the PR was closed or merged._