Remove top paper's specific prompt message by default

There was some leftover prompt that was specific to the top trending paper podcast that was being included by default

app.py

@@ -45,8 +45,7 @@ def generate_podcast_script(subject: str, steering_question: str | None = None)
     """Ask the LLM for a script of a podcast given by two hosts."""
     messages = [
         {"role": "system", "content": SYSTEM_PROMPT},
-        {"role": "user", "content": f"""Here is the topic: it's the top trending paper on Hugging Face daily papers today. You will need to analyze it by bringing profound insights.
-{subject[:10000]}"""},
+        {"role": "user", "content": f"""Here is the topic: {subject[:10000]}"""},
     ]
     if steering_question and len(steering_question) > 0:
         messages.append({"role": "user", "content": f"You could focus on this question: {steering_question}"})
@@ -87,7 +86,7 @@ def generate_podcast(url: str, pdf_path: str, topic: str):
         response = requests.get(f'https://r.jina.ai/{url}')
         material_text = response.text
     else:
-        material_text = PODCAST_SUBJECT
+        material_text = "It's the top trending paper on Hugging Face daily papers today. You will need to analyze it by bringing profound insights." + PODCAST_SUBJECT
     
     # Generate podcast script!
     podcast_script = generate_podcast_script(material_text, topic)