[Misc] Remove user-facing error for removed VLM args (vllm-project#9104)

Author: DarkLight1337

docs/source/models/vlm.rst

@@ -23,10 +23,6 @@ The :class:`~vllm.LLM` class can be instantiated in much the same way as languag
 
     llm = LLM(model="llava-hf/llava-1.5-7b-hf")
 
-.. note::
-    We have removed all vision language related CLI args in the ``0.5.1`` release. **This is a breaking change**, so please update your code to follow
-    the above snippet. Specifically, ``image_feature_size`` can no longer be specified as we now calculate that internally for each model.
-
 To pass an image to the model, note the following in :class:`vllm.inputs.PromptType`:
 
 * ``prompt``: The prompt should follow the format that is documented on HuggingFace.

vllm/entrypoints/llm.py

@@ -180,15 +180,7 @@ def __init__(
 
         if "disable_log_stats" not in kwargs:
             kwargs["disable_log_stats"] = True
-        removed_vision_keys = (
-            "image_token_id",
-            "image_feature_size",
-            "image_input_shape",
-            "image_input_type",
-        )
-        if any(k in kwargs for k in removed_vision_keys):
-            raise TypeError(
-                "There is no need to pass vision-related arguments anymore.")
+
         engine_args = EngineArgs(
             model=model,
             tokenizer=tokenizer,