Refactor audio generation prompt handling to remove system prompt from URL encoding

VoiceReply.py

@@ -36,8 +36,7 @@ def generate_voice_reply(prompt, model="openai-audio", voice="coral", audio_dir=
     print(f"DEBUG: Received prompt: {prompt}")
     os.makedirs(audio_dir, exist_ok=True)
     randomSeed = random.randint(0, 9999999)
-    system_prompt = _build_system_prompt()
-    encoded_prompt = urllib.parse.quote(f"system_prompt: {system_prompt}; prompt:{prompt};")
+    encoded_prompt = urllib.parse.quote(prompt)
     url = f"http://text.pollinations.ai/{encoded_prompt}?model={model}&voice={voice}&seed={randomSeed}"
     print(f"DEBUG: Fetching audio with URL: {url}")