[V0 Deprecation][Models] Remove all V0 condition for mm embeddings merge (#25331)

Signed-off-by: Isotr0py <mozf@mail2.sysu.edu.cn>
Signed-off-by: isotr0py <2037008807@qq.com>

vllm/model_executor/models/mllama4.py

@@ -823,17 +823,6 @@ class Llama4ForConditionalGeneration(nn.Module, SupportsMultiModal,
         if intermediate_tensors is not None:
             inputs_embeds = None
 
-        # NOTE: In v1, inputs_embeds is always generated at model runner,
-        # this condition is for v0 compatibility.
-        elif inputs_embeds is None:
-            vision_embeddings = self.get_multimodal_embeddings(**kwargs)
-            inputs_embeds = self.get_input_embeddings(
-                input_ids,
-                vision_embeddings,
-                is_multimodal=input_ids == self.config.image_token_index,
-            )
-            input_ids = None
-
         return self.language_model(input_ids, positions, intermediate_tensors,
                                    inputs_embeds)