[llama4] update rope with new parameter

[kashif]

What does this PR do?

use config.rope_parameters["rope_theta"]

Fixes # (issue)

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[github-actions]

[For maintainers] Suggested jobs to run (before merge)

run-slow: llama4

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View the CircleCI Test Summary for this PR:

https://huggingface.co/spaces/transformers-community/circle-ci-viz?pr=43311&sha=d23c19

[kashif]

closed as its duplcate of #43402