Offline QuaRot Implementation

[jambayk]

Describe your changes

• Previous QuaRot pass is replaced with our own implementation of the pass which only performs the offline weight rotation.
• The online hadamard rotation parts are not relevant to us since it involves reimplementing the model architecture or updating them dynamically to add the input/kv rotation functions. Moreover, these are not compatible with onnx export.
• This pass does not do any quantization. The rotated output model should be subsequently quantized using GPTQ and/or QDQ passes.
• All usage of quarot from the examples and cli are removed. New examples and cli options will be added once E2E validation of Rotate -> GPTQ -> QDQ workflows is complete.

Checklist before requesting a review

• Add unit tests for this change.
• Make sure all tests can pass.
• Update documents if necessary.
• Lint and apply fixes to your code by running lintrunner -a
• Is this a user-facing change? If yes, give a description of this change to be included in the release notes.
• Is this PR including examples changes? If yes, please remember to update example documentation in a follow-up PR.

(Optional) Issue link

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