ci: drop TPU for LTS as this was remade

[Borda]

What does this PR do?

this workflow, after remaking with native, is not valid anymore
cc: @carmocca

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cc @carmocca @Borda @JackCaoG @steventk-g @Liyang90

[github-actions]

⚡ Required checks status: All passing 🟢

No groups match the files changed in this PR.

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Thank you for your contribution! 💜

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[carmocca]

You could also remove the file entirely