Update app.py

Removed echo of user query used for debugging purposes.

app.py

@@ -795,9 +795,9 @@ def nutrition_disorder_streamlit():
             user_query = ""
 
         # for debug purposes, echo the user query               
-        debug_msg = user_query
-        with st.chat_message("assistant"):
-            st.write(debug_msg)                      
+#        debug_msg = user_query
+#        with st.chat_message("assistant"):
+#            st.write(debug_msg)                      
 
         if user_query:
             if user_query.lower() == "exit":