[vlm] Remove vision language config. (#6089)

Signed-off-by: Xiaowei Jiang <xwjiang2010@gmail.com>
Co-authored-by: Roger Wang <ywang@roblox.com>

examples/llava_example.py

@@ -10,12 +10,7 @@ from vllm import LLM
 
 
 def run_llava():
-    llm = LLM(
-        model="llava-hf/llava-1.5-7b-hf",
-        image_token_id=32000,
-        image_input_shape="1,3,336,336",
-        image_feature_size=576,
-    )
+    llm = LLM(model="llava-hf/llava-1.5-7b-hf")
 
     prompt = "USER: <image>\nWhat is the content of this image?\nASSISTANT:"