Update dependency comments for clarity and consistency

iconclass-vlm-sft.py

@@ -1,13 +1,10 @@
 # /// script
 # requires-python = ">=3.11"
-# dependencies = [
-#     "datasets",
-#     "trl",
-# ]
+# dependencies = []
 #
-# # Note: When using davanstrien13/unsloth-uv Docker image, the following
-# # are already pre-installed: unsloth, torch, transformers, peft,
-# # bitsandbytes, accelerate, xformers, pillow
+# # Note: All dependencies are pre-installed in davanstrien13/unsloth-uv Docker image:
+# # unsloth, torch, transformers, peft, bitsandbytes, accelerate, xformers,
+# # pillow, datasets, trl, huggingface-hub[hf_transfer]
 #
 # ///