[`Llava`] Update convert_llava_weights_to_hf.py script (#28617)
* Update convert_llava_weights_to_hf.py script
* Remove config update of adding padding to `vocab_size` and `text_config.vocab_size` which causes `ValueError` exception.
* Remove keys that ends with `inv_freq` from the state dict.
* Add examples and instructions for creating `model_state_dict.bin` that can be used by the script.
* Update convert_llava_weights_to_hf.py
* Update convert_vipllava_weights_to_hf.py