Fix squeeze into torch 1.x compatible form in llama model
Author: DyeKuu
Pull request: yes

# What does this PR do?

Rewrite the squeeze into torch 1.x compatible form as squeeze accepting tuple as arg is a 2.0 only feature https://pytorch.org/docs/stable/generated/torch.squeeze.html, introduced in https://github.com/huggingface/transformers/pull/22785.

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Fixes https://github.com/huggingface/transformers/issues/22807


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