[Optim] Compute multimodal hash only once per item (#17314)

Signed-off-by: DarkLight1337 <tlleungac@connect.ust.hk>

vllm/model_executor/models/llava.py

@@ -396,14 +396,12 @@ def _build_llava_or_pixtral_hf_processor(
     dummy_inputs: BaseDummyInputsBuilder[_I],
     *,
     cache: Optional[ProcessingCache] = None,
-    enable_sanity_checks: bool = True,
 ) -> BaseMultiModalProcessor:
     if isinstance(info, PixtralHFProcessingInfo):
         return PixtralHFMultiModalProcessor(
             info,
             dummy_inputs,  # type: ignore
             cache=cache,
-            enable_sanity_checks=enable_sanity_checks,
         )
 
     if isinstance(info, LlavaProcessingInfo):
@@ -411,7 +409,6 @@ def _build_llava_or_pixtral_hf_processor(
             info,
             dummy_inputs,  # type: ignore
             cache=cache,
-            enable_sanity_checks=enable_sanity_checks,
         )
 
     raise NotImplementedError(type(info))