fix extra comment

Author: eavanvalkenburg

python/samples/concepts/local_models/foundry_local_chatbot.py

@@ -17,7 +17,6 @@
 `pip install foundry-local-sdk`
 """
 
-# The model alias is the name of the model that you want to use.
 # The way Foundry Local works, is that it picks the right variant of a model based on the
 # hardware available on the machine. For example, if you have a GPU, it will pick the GPU variant
 # of the model. If you have a CPU, it will pick the CPU variant of the model.