Remove Ruff and Uvicorn in Wasm env (#7744)
* Exclude `ruff` from the requirements list for Wasm env
* Exclude `uvicorn` from the requirements list for Wasm env and fix the related modules not to try to import it when not used
* add changeset
* Fix tests
* add changeset
* Apply formatter
* Remove a test case which became unnecessary in https://github.com/gradio-app/gradio/pull/5267, ref: https://github.com/gradio-app/gradio/pull/7744#issuecomment-2011332287
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