remove <br>

Signed-off-by: Lu Ken <ken.lu@intel.com>

app.py

@@ -79,7 +79,7 @@ def main():
     st.set_page_config("TDX Doctor")
     st.header("Please ask questions related to TDX or UEFI")
 
-    user_question = st.text_input("Ask a Question like:\n<br> please describe EFI PEI Core in 200 words. \n<br> please describe intel tdx in 200 words.\n<br> please explain SEAMCALL in 200 words")
+    user_question = st.text_input("Ask a Question like:\n please describe EFI PEI Core in 200 words.\n please describe intel tdx in 200 words.\n please explain SEAMCALL in 200 words")
     if user_question:
         user_input(user_question)