remove code and paper link in app header

app.py

@@ -42,7 +42,6 @@ HEADER = '''
     <h1 style='margin-right: 10px;'><b>Official Gradio Demo:</b></h1>
     <h1>🍁 <a href='https://huggingface.co/spaces/Serrelab/fossil_app' target='_blank'><b>Identifying Florissant Leaf Fossils to Family using Deep Neural Networks</b></a></h1>
 </div>
-Code: <a href='https://github.com/orgs/serre-lab/projects/2' target='_blank'>GitHub</a>. Paper: <a href='' target='_blank'>ArXiv</a>.
 
 
 '''
@@ -52,7 +51,7 @@ Code: <a href='https://github.com/orgs/serre-lab/projects/2' target='_blank'>Git
 # ❗️❗️❗️**Important Notes:**
 # - some notes to users some notes to users some notes to users some notes to users some notes to users some notes to users .
 # - some notes to users some notes to users some notes to users some notes to users some notes to users some notes to users.
-
+Code: <a href='https://github.com/orgs/serre-lab/projects/2' target='_blank'>GitHub</a>. Paper: <a href='' target='_blank'>ArXiv</a>.
 """
 
 USER_GUIDE = """