docs: remove outdated info

Author: MichaelisTrofficus

README.md

@@ -204,8 +204,6 @@ Follow the instructions in the [article](https://theneuralmaze.substack.com/p/bu
 - Connect your ngrok URL to Twilio
 - Start receiving real phone calls!
 
-🎥 **Join the Live Session**: [Join Premium](https://theneuralmaze.substack.com/subscribe), and you'll receive a notification when we are live on **Sunday, November 23rd at 5PM CET** for a complete walkthrough and Q&A!
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 ## Lesson 2: The Missing Layer in Modern AI Retrieval
@@ -258,8 +256,6 @@ Follow the instructions in the [article](https://theneuralmaze.substack.com/p/bu
 
    This demonstrates how the voice agent can now handle complex queries combining location (Barrio de Salamanca) and price constraints (≤ €900,000) in real-time.
 
-🎥 **Join the Live Session**: [Join Premium](https://theneuralmaze.substack.com/subscribe) for the live walkthrough on **Saturday, November 30th** where we'll dive deep into the code and answer your questions!
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 # Lesson 3: Improving STT and TTS Systems