[V1] Enable multi-input by default (#15799)

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

docs/source/models/supported_models.md

@@ -759,7 +759,7 @@ On the other hand, modalities separated by `/` are mutually exclusive.
 See [this page](#multimodal-inputs) on how to pass multi-modal inputs to the model.
 
 :::{important}
-To enable multiple multi-modal items per text prompt, you have to set `limit_mm_per_prompt` (offline inference)
+**To enable multiple multi-modal items per text prompt in vLLM V0**, you have to set `limit_mm_per_prompt` (offline inference)
 or `--limit-mm-per-prompt` (online serving). For example, to enable passing up to 4 images per text prompt:
 
 Offline inference:
@@ -777,6 +777,8 @@ Online serving:
 vllm serve Qwen/Qwen2-VL-7B-Instruct --limit-mm-per-prompt image=4
 ```
 
+**This is no longer required if you are using vLLM V1.**
+
 :::
 
 :::{note}