Revert "Add smolagents multiagent notebook"

Author: burtenshaw

notebooks/unit2/smolagents/multiagent_notebook.ipynb

@@ -42,38 +42,6 @@
     title: Unit 1 Final Quiz
   - local: unit1/conclusion
     title: Conclusion
-- title: Unit 2. Frameworks for AI Agents
-  sections:
-  - local: unit2/introduction
-    title: Frameworks for AI Agents
-- title: Unit 2.1 The smolagents framework
-  sections:
-  - local: unit2/smolagents/introduction
-    title: Frameworks for AI Agents
-  - local: unit2/smolagents/introduction
-    title: Introduction to smolagents
-  - local: unit2/smolagents/why_use_smolagents
-    title: Why use smolagents? 
-  - local: unit2/smolagents/quiz1
-    title: Quick Quiz 1
-  - local: unit2/smolagents/code_agents
-    title: Building Agents That Use Code
-  - local: unit2/smolagents/tool_calling_agents
-    title: Integrating Agents With Tools
-  - local: unit2/smolagents/tools
-    title: Tools
-  - local: unit2/smolagents/retrieval_agents
-    title: Retrieval Agents
-  - local: unit2/smolagents/quiz2
-    title: Quick Quiz 2
-  - local: unit2/smolagents/multi_agent_systems
-    title: Multi-Agent Systems
-  - local: unit2/smolagents/vision_agents
-    title: Vision and Browser agents
-  - local: unit2/smolagents/final_quiz
-    title: Final Quiz
-  - local: unit2/smolagents/conclusion
-    title: Conclusion
 - title: Bonus Unit 1. Fine-tuning an LLM for Function-calling
   sections:
   - local: bonus-unit1/introduction