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c8d86e9f - Remove code snippets containing `is_safetensors_available()` (#4521)

Remove code snippets containing `is_safetensors_available()` (#4521) * [WIP] Remove code snippets containing `is_safetensors_available()` * Modifying `import_utils.py` * update pipeline tests for safetensor default * fix test related to cached requests * address import nits --------- Co-authored-by: Dhruv Nair <dhruv.nair@gmail.com>